Merge branch 'tk/untracked-cache-with-uall'

The performance of the "untracked cache" feature has been improved when "--untracked-files=<mode>" and "status.showUntrackedFiles" are combined. * tk/untracked-cache-with-uall: untracked-cache: support '--untracked-files=all' if configured untracked-cache: test untracked-cache-bypassing behavior with -uall