fix tool disabling for docs and others (#5722)

# Description of Changes

<!--
Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
-->

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

frontend/src/core/components/AppProviders.tsx

@@ -7,8 +7,8 @@ import { FilesModalProvider } from "@app/contexts/FilesModalContext";
 import { ToolWorkflowProvider } from "@app/contexts/ToolWorkflowContext";
 import { HotkeyProvider } from "@app/contexts/HotkeyContext";
 import { SidebarProvider } from "@app/contexts/SidebarContext";
-import { PreferencesProvider } from "@app/contexts/PreferencesContext";
-import { AppConfigProvider, AppConfigProviderProps, AppConfigRetryOptions } from "@app/contexts/AppConfigContext";
+import { PreferencesProvider, usePreferences } from "@app/contexts/PreferencesContext";
+import { AppConfigProvider, AppConfigProviderProps, AppConfigRetryOptions, useAppConfig } from "@app/contexts/AppConfigContext";
 import { RightRailProvider } from "@app/contexts/RightRailContext";
 import { ViewerProvider } from "@app/contexts/ViewerContext";
 import { SignatureProvider } from "@app/contexts/SignatureContext";
@@ -70,6 +70,24 @@ export interface AppProvidersProps {
   appConfigProviderProps?: Partial<AppConfigProviderOverrides>;
 }
 
+// Component to sync server defaults to preferences when AppConfig loads
+function ServerDefaultsSync() {
+  const { config } = useAppConfig();
+  const { updateServerDefaults } = usePreferences();
+
+  useEffect(() => {
+    if (config) {
+      const serverDefaults = {
+        hideUnavailableTools: config.defaultHideUnavailableTools ?? false,
+        hideUnavailableConversions: config.defaultHideUnavailableConversions ?? false,
+      };
+      updateServerDefaults(serverDefaults);
+    }
+  }, [config, updateServerDefaults]);
+
+  return null;
+}
+
 /**
  * Core application providers
  * Contains all providers needed for the core
@@ -86,6 +104,7 @@ export function AppProviders({ children, appConfigRetryOptions, appConfigProvide
               >
                 <ScarfTrackingInitializer />
                 <AppConfigLoader />
+                <ServerDefaultsSync />
                 <FileContextProvider enableUrlSync={true} enablePersistence={true}>
                   <AppInitializer />
                   <BrandingAssetManager />