[ADF-5582] Fix avatar rendering logic in adf-node-comments (#10995)

* [ADF-5582] Update NodeCommentsService to take userId as an argument in getUserImage

* [ADF-5582] Add unit tests for avatar caching and retrieval in NodeCommentsService

* Refactor NodeCommentsService unit tests to avoid accessing private members

* [ADF-5582] Remove picture Id from getUserImage

* [ADF-5582] Add comment to getAvatarCache and fix sonarcloud issues

* Update node-comments.service.spec.ts

* Trigger sonar

* [ADF-5582] Add method to return avatar url in people api

* [ADF-5582] Fix sonar cloud issue

* [ADF-5582] Add comment to getUserImage and fix request address for getAvatarImageUrl

docs/content-services/services/node-comments.service.md

@@ -20,7 +20,7 @@ Adds and retrieves comments for nodes in Content Services.
     Gets all comments that have been added to a task.
     -   _id:_ `string`  - ID of the target task
     -   **Returns** [`Observable`](http://reactivex.io/documentation/observable.html)`<`[`CommentModel`](../../../lib/core/src/lib/models/comment.model.ts)`[]>` - Details for each comment
--   **getUserImage**(avatarId: `string`): `string`<br/>
-    Gets the URL for the user's profile image.
-    -   _avatarId:_ `string`  - ID of the user
-    -   **Returns** `string` - URL for the user's profile image
+-   **getUserImage**(userId: `string`): `string`<br/>
+    Returns the avatar URL for the specified user.
+    -   _userId:_ `string`  - ID of the user
+    -   **Returns** `string` - URL of the user's avatar image