Merge pull request #13227 from overleaf/td-history-keyboard-scroll-diff-viewer

History migration: Add tabindex to document diff viewer to allow keyboard scrolling

GitOrigin-RevId: 95a0be27fa710a4f81e5944432b6b108e529634f

services/web/frontend/js/features/history/components/diff-view/document-diff-viewer.tsx

@@ -24,6 +24,7 @@ import { inlineBackground } from '../../../source-editor/extensions/inline-backg
 function extensions(): Extension[] {
   return [
     EditorView.editable.of(false),
+    EditorView.contentAttributes.of({ tabindex: '0' }),
     lineNumbers(),
     EditorView.lineWrapping,
     indentUnit.of('    '), // TODO: Vary this by file type