fix(core): comment mention filters (#13062)

#### PR Dependency Tree


* **PR #13062** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Replies in comment threads are now collapsed when there are more than
four, with an option to expand and view all replies.
* Mentions within comments and replies are automatically detected and
tracked.
  * "Show more replies" indicator is now localized for English users.

* **Improvements**
* Filtering for "only my replies" now includes replies where you are
mentioned.
* Enhanced focus behavior in the comment editor for improved usability.
* Updated styling for active and collapsed reply states in comment
threads.

* **Bug Fixes**
* Ensured consistent handling of mentions and reply associations in
comment data.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/i18n/src/i18n.gen.ts

@@ -8254,6 +8254,12 @@ export function useAFFiNEI18N(): {
       * `Delete this reply? This action cannot be undone.`
       */
     ["com.affine.comment.reply.delete.confirm.description"](): string;
+    /**
+      * `Show {{count}} more replies`
+      */
+    ["com.affine.comment.reply.show-more"](options: {
+        readonly count: string;
+    }): string;
     /**
       * `Show resolved comments`
       */

packages/frontend/i18n/src/resources/en.json

@@ -2071,6 +2071,7 @@
   "com.affine.comment.delete.confirm.description": "All comments will also be deleted, and this action cannot be undone.",
   "com.affine.comment.reply.delete.confirm.title": "Delete this reply?",
   "com.affine.comment.reply.delete.confirm.description": "Delete this reply? This action cannot be undone.",
+  "com.affine.comment.reply.show-more": "Show {{count}} more replies",
   "com.affine.comment.filter.show-resolved": "Show resolved comments",
   "com.affine.comment.filter.only-my-replies": "Only my replies and mentions",
   "com.affine.comment.filter.only-current-mode": "Only current mode",