Fix clipboard manager paste failing during focus transitions - #2435

Fix clipboard manager paste failing during focus transitions#2435

alexander-pecheny wants to merge 2 commits into

manaflow-ai:mainmanaflow-ai/cmux:mainfrom

alexander-pecheny:fix-clipboard-paste-synthetic-eventsalexander-pecheny/cmux:fix-clipboard-paste-synthetic-eventsCopy head branch name to clipboard