Make Viewer always accessible (#4468)

# Description of Changes
Make Viewer always accessible. Also deletes some dead code I noticed
while I was working.

---------

Co-authored-by: EthanHealy01 <[email protected]>
Co-authored-by: Reece Browne <[email protected]>

frontend/src/utils/toolOperationTracker.ts

@@ -1,28 +0,0 @@
-import { FileId } from '../types/file';
-import { FileOperation } from '../types/fileContext';
-
-/**
- * Creates operation tracking data for FileContext integration
- */
-export const createOperation = <TParams = void>(
-  operationType: string,
-  _params: TParams,
-  selectedFiles: File[]
-): { operation: FileOperation; operationId: string; fileId: FileId } => {
-  const operationId = `${operationType}-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
-  const fileId = selectedFiles.map(f => f.name).join(',') as FileId;
-
-  const operation: FileOperation = {
-    id: operationId,
-    type: operationType,
-    timestamp: Date.now(),
-    fileIds: selectedFiles.map(f => f.name),
-    status: 'pending',
-    metadata: {
-      originalFileName: selectedFiles[0]?.name,
-      fileSize: selectedFiles.reduce((sum, f) => sum + f.size, 0)
-    }
-  } as any /* FIX ME*/;
-
-  return { operation, operationId, fileId };
-};