feat: move extensions from prefs menu's left pane to General->Advanced section (#718)

app/assets/javascripts/preferences/panes/General.tsx

@@ -3,16 +3,27 @@ import { AppState } from '@/ui_models/app_state';
 import { FunctionComponent } from 'preact';
 import { PreferencesPane } from '../components';
 import { ErrorReporting, Tools, Defaults } from './general-segments';
+import { ExtensionsLatestVersions } from '@/preferences/panes/extensions-segments';
+import { Advanced } from '@/preferences/panes/account';
+import { observer } from 'mobx-react-lite';
 
 interface GeneralProps {
   appState: AppState;
   application: WebApplication;
+  extensionsLatestVersions: ExtensionsLatestVersions,
 }
 
-export const General: FunctionComponent<GeneralProps> = (props) => (
-  <PreferencesPane>
-    <Tools application={props.application} />
-    <Defaults application={props.application} />
-    <ErrorReporting appState={props.appState} />
-  </PreferencesPane>
+export const General: FunctionComponent<GeneralProps> = observer(
+  ({
+     appState,
+     application,
+     extensionsLatestVersions
+   }) => (
+    <PreferencesPane>
+      <Tools application={application} />
+      <Defaults application={application} />
+      <ErrorReporting appState={appState} />
+      <Advanced application={application} appState={appState} extensionsLatestVersions={extensionsLatestVersions} />
+    </PreferencesPane>
+  )
 );