Fix re-rendering current user's full name on comments when adding an emoji reaction

What does this MR do and why?

This MR fixes a bug where adding emoji cause re-rendering current user's full name

MR acceptance checklist

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Screenshots or screen recordings

Before	After
before	after

How to set up and validate locally

1. Open any work item
2. Create a thread with 2-3 comments
3. Leave an emoji reaction on one of the comments
4. Observe that there is no visual jump