feat(server): comment service and resolver (#12761)

close CLOUD-227
close CLOUD-230

































#### PR Dependency Tree


* **PR #12761** 👈
  * **PR #12924**
    * **PR #12925**

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**
* Introduced a comprehensive commenting system, enabling users to
create, update, resolve, and delete comments and replies on documents.
* Added support for uploading attachments to comments, with clear error
messaging if size limits are exceeded.
* Implemented role-based permissions for comment actions, including a
new "Commenter" role.
* Enabled paginated listing and change tracking of comments and replies
via GraphQL queries.
* Provided full localization and error handling for comment-related
actions.

* **Bug Fixes**
* Improved uniqueness handling when fetching user data for comments and
replies.

* **Documentation**
* Extended GraphQL schema and frontend localization to document and
support new comment features.

* **Tests**
* Added extensive backend test suites covering all comment and reply
functionalities, permissions, and attachment uploads.

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

packages/backend/server/src/models/common/role.ts

@@ -5,6 +5,7 @@ export enum DocRole {
   None = -(1 << 15),
   External = 0,
   Reader = 10,
+  Commenter = 15,
   Editor = 20,
   Manager = 30,
   Owner = 99,