acp thread view: Floating editing message controls (#36283)

Prevents layout shift when focusing the editor

Release Notes:

- N/A

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Co-authored-by: Danilo Leal <daniloleal09@gmail.com>
e2db434920Agus Zubiaga committed on 8/18/2025, 12:50:29 PM· committed by GitHubparent58f7006
3 files changedLine totals unavailable