Merge branch 'am-improve-users-avatar-on-diff-spec' into 'master'

Improve user_sees_avatar_on_diff_notes_spec

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/100682



Merged-by: Huzaifa Iftikhar <hiftikhar@gitlab.com>
Approved-by: Raimund Hook <rhook@gitlab.com>
Approved-by: Huzaifa Iftikhar <hiftikhar@gitlab.com>
Co-authored-by: Alina Mihaila <amihaila@gitlab.com>