Resolves user avatar flickers as you type

What does this MR do?

This resolves #27602 (closed)

Are there points in the code the reviewer needs to double check?

Should not

Why was this MR needed?

Removes annoying flickers

Screenshots (if relevant)

Before after

Does this MR meet the acceptance criteria?

• Changelog entry added
• Tests
  • All builds are passing
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #27602 (closed)