Implement multi-branch prefix editing functionality

- Add setPrefixBatch API endpoint to handle batch prefix updates
- Update branch_prefix dialog to support multiple branches
- Remove noSelectedNotes constraint from edit branch prefix menu
- Add translations for multi-branch prefix editing

Co-authored-by: eliandoran <21236836+eliandoran@users.noreply.github.com>

packages/ckeditor5-admonition/sample/ckeditor.d.ts

@@ -0,0 +1,7 @@
+declare global {
+    interface Window {
+        editor: ClassicEditor;
+    }
+}
+import { ClassicEditor } from 'ckeditor5';
+import 'ckeditor5/ckeditor5.css';