feat: support iconThemes definitions for root folders#195319

aeschli merged 1 commit intomicrosoft:mainmicrosoft/vscode:mainfrom

harbin1053020115:feat/support-rootFolderNames-and-rootFolderNamesExpanded-iconThemesharbin1053020115/vscode:feat/support-rootFolderNames-and-rootFolderNamesExpanded-iconThemesCopy head branch name to clipboard