Backport of "wlwindow: clear configure mutex and cond when finalize" into 1.24
requested to merge gstreamer-backport-bot/gstreamer:mr-6722-backport-into-1.24-wlwindow-clear-configure-mutex-and-cond-value into 1.24
Backport of !6722 (merged) "wlwindow: clear configure mutex and cond when finalize".
Commits:
- 560dc511 wlwindow: clear configure mutex and cond when finalize