agent_ui: Improve UX when pasting code into message editor (#45254)
Follow up to #42982
Release Notes:
- agent: Allow pasting code without formatting via ctrl/cmd-shift-v.
- agent: Fixed an issue where pasting a single line of code would always
insert an @mention
886de8f54bBennet Bo Fenner committed on 12/18/2025, 3:38:47 PM· committed by GitHubparent7a783a9