[DevTools] Show Transition indicator when "suspended by" rows are expanded#34565

eps1lon merged 2 commits intofacebook:mainfacebook/react:mainfrom

eps1lon:sebbie/09-23-_devtools_show_transition_indicator_when_suspended_by_rows_are_expandedeps1lon/react:sebbie/09-23-_devtools_show_transition_indicator_when_suspended_by_rows_are_expandedCopy head branch name to clipboard