fix import error

apps/app/src/components/PageComment/CommentEditor.tsx

@@ -5,6 +5,7 @@ import React, {
 } from 'react';
 
 import { GlobalCodeMirrorEditorKey } from '@growi/editor';
+import { CodeMirrorEditorComment } from '@growi/editor/dist/client/components/CodeMirrorEditorComment';
 import { useCodeMirrorEditorIsolated } from '@growi/editor/dist/client/stores/codemirror-editor';
 import { useResolvedThemeForEditor } from '@growi/editor/dist/client/stores/use-resolved-theme';
 import { UserPicture } from '@growi/ui/dist/components';