Add frontend autoformatting and set CI to require formatted code for all languages (#6052)

# Description of Changes
Changes the strategy for autoformatting to reject PRs if they are not
formatted correctly instead of allowing them to merge and then spawning
a new PR to fix the formatting. The old strategy just caused more work
for us because we'd have to manually approve the followup PR and get it
merged, which required 2 reviewers so in practice it rarely got done and
just meant everyone's PRs ended up containing reformatting for unrelated
files, which makes code review unnecessarily difficult. If the PR's code
is not formatted correctly after this PR, a comment will be added
automatically to tell the author how to run the formatter script to fix
their code so it can go in.

This also enables autoformatting for the frontend code, using Prettier.
I've enabled it for pretty much everything in the frontend folder, other
than 3rd party files and files it doesn't make sense for. I also
excluded Markdown because it sounds likely to be more annoying to have
to autoformat the Markdown in the frontend folder but nowhere else. Open
to changing this though if people disagree.

> [!note]
> 
> Advice to reviewers: The first commit contains all of the actual logic
I've introduced (CI changes, Prettier config, etc.)
> The second commit is just the reformatting of the entire frontend
folder.
> The first commit needs proper review, the second one just give it a
spot-check that it's doing what you'd expect.

frontend/src/core/components/shared/BulkUploadToServerModal.tsx

@@ -1,15 +1,15 @@
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
-import { Modal, Stack, Text, Button, Group, Alert } from '@mantine/core';
-import CloudUploadIcon from '@mui/icons-material/CloudUpload';
-import { useTranslation } from 'react-i18next';
+import React, { useCallback, useEffect, useMemo, useState } from "react";
+import { Modal, Stack, Text, Button, Group, Alert } from "@mantine/core";
+import CloudUploadIcon from "@mui/icons-material/CloudUpload";
+import { useTranslation } from "react-i18next";
 
-import { alert } from '@app/components/toast';
-import { Z_INDEX_OVER_FILE_MANAGER_MODAL } from '@app/styles/zIndex';
-import type { StirlingFileStub } from '@app/types/fileContext';
-import { uploadHistoryChains } from '@app/services/serverStorageUpload';
-import { fileStorage } from '@app/services/fileStorage';
-import { useFileActions } from '@app/contexts/FileContext';
-import type { FileId } from '@app/types/file';
+import { alert } from "@app/components/toast";
+import { Z_INDEX_OVER_FILE_MANAGER_MODAL } from "@app/styles/zIndex";
+import type { StirlingFileStub } from "@app/types/fileContext";
+import { uploadHistoryChains } from "@app/services/serverStorageUpload";
+import { fileStorage } from "@app/services/fileStorage";
+import { useFileActions } from "@app/contexts/FileContext";
+import type { FileId } from "@app/types/file";
 
 interface BulkUploadToServerModalProps {
   opened: boolean;
@@ -18,12 +18,7 @@ interface BulkUploadToServerModalProps {
   onUploaded?: () => Promise<void> | void;
 }
 
-const BulkUploadToServerModal: React.FC<BulkUploadToServerModalProps> = ({
-  opened,
-  onClose,
-  files,
-  onUploaded,
-}) => {
+const BulkUploadToServerModal: React.FC<BulkUploadToServerModalProps> = ({ opened, onClose, files, onUploaded }) => {
   const { t } = useTranslation();
   const { actions } = useFileActions();
   const [isUploading, setIsUploading] = useState(false);
@@ -44,18 +39,11 @@ const BulkUploadToServerModal: React.FC<BulkUploadToServerModalProps> = ({
     setErrorMessage(null);
 
     try {
-      const rootIds = Array.from(
-        new Set(files.map((file) => (file.originalFileId || file.id) as FileId))
-      );
-      const remoteIds = Array.from(
-        new Set(files.map((file) => file.remoteStorageId).filter(Boolean) as number[])
-      );
+      const rootIds = Array.from(new Set(files.map((file) => (file.originalFileId || file.id) as FileId)));
+      const remoteIds = Array.from(new Set(files.map((file) => file.remoteStorageId).filter(Boolean) as number[]));
       const existingRemoteId = remoteIds.length === 1 ? remoteIds[0] : undefined;
 
-      const { remoteId, updatedAt, chain } = await uploadHistoryChains(
-        rootIds,
-        existingRemoteId
-      );
+      const { remoteId, updatedAt, chain } = await uploadHistoryChains(rootIds, existingRemoteId);
 
       for (const stub of chain) {
         actions.updateStirlingFileStub(stub.id, {
@@ -73,8 +61,8 @@ const BulkUploadToServerModal: React.FC<BulkUploadToServerModalProps> = ({
       }
 
       alert({
-        alertType: 'success',
-        title: t('storageUpload.success', 'Uploaded to server'),
+        alertType: "success",
+        title: t("storageUpload.success", "Uploaded to server"),
         expandable: false,
         durationMs: 3000,
       });
@@ -83,10 +71,8 @@ const BulkUploadToServerModal: React.FC<BulkUploadToServerModalProps> = ({
       }
       onClose();
     } catch (error) {
-      console.error('Failed to upload files to server:', error);
-      setErrorMessage(
-        t('storageUpload.failure', 'Upload failed. Please check your login and storage settings.')
-      );
+      console.error("Failed to upload files to server:", error);
+      setErrorMessage(t("storageUpload.failure", "Upload failed. Please check your login and storage settings."));
     } finally {
       setIsUploading(false);
     }
@@ -97,48 +83,39 @@ const BulkUploadToServerModal: React.FC<BulkUploadToServerModalProps> = ({
       opened={opened}
       onClose={onClose}
       centered
-      title={t('storageUpload.bulkTitle', 'Upload selected files')}
+      title={t("storageUpload.bulkTitle", "Upload selected files")}
       zIndex={Z_INDEX_OVER_FILE_MANAGER_MODAL}
     >
       <Stack gap="sm">
-        <Text size="sm">
-          {t(
-            'storageUpload.bulkDescription',
-            'This uploads the selected files to your server storage.'
-          )}
-        </Text>
+        <Text size="sm">{t("storageUpload.bulkDescription", "This uploads the selected files to your server storage.")}</Text>
         <Text size="sm" c="dimmed">
-          {t('storageUpload.fileCount', '{{count}} files selected', {
+          {t("storageUpload.fileCount", "{{count}} files selected", {
             count: files.length,
           })}
         </Text>
         {displayNames.length > 0 && (
           <Text size="xs" c="dimmed">
-            {displayNames.join(', ')}
+            {displayNames.join(", ")}
             {fileNames.length > displayNames.length
-              ? t('storageUpload.more', ' +{{count}} more', {
+              ? t("storageUpload.more", " +{{count}} more", {
                   count: fileNames.length - displayNames.length,
                 })
-              : ''}
+              : ""}
           </Text>
         )}
 
         {errorMessage && (
-          <Alert color="red" title={t('storageUpload.errorTitle', 'Upload failed')}>
+          <Alert color="red" title={t("storageUpload.errorTitle", "Upload failed")}>
             {errorMessage}
           </Alert>
         )}
 
         <Group justify="flex-end" gap="sm">
           <Button variant="default" onClick={onClose} disabled={isUploading}>
-            {t('cancel', 'Cancel')}
+            {t("cancel", "Cancel")}
           </Button>
-          <Button
-            leftSection={<CloudUploadIcon style={{ fontSize: 18 }} />}
-            onClick={handleUpload}
-            loading={isUploading}
-          >
-            {t('storageUpload.uploadButton', 'Upload to Server')}
+          <Button leftSection={<CloudUploadIcon style={{ fontSize: 18 }} />} onClick={handleUpload} loading={isUploading}>
+            {t("storageUpload.uploadButton", "Upload to Server")}
           </Button>
         </Group>
       </Stack>