Merge branch 'fix-me-me-me-me' into 'master'

Fix duplicate "me" in tooltip of the "thumbsup" awards Emoji

Steps to reproduce:

1. Go to a MR or issue
2. Click on "thumbsup" Emoji 3 times
3. Observe the tooltip becomes "me, me"

Closes #13374, #12788

See merge request !2804