Backport of "d3d11videosink: disconnect signals before releasing the window" into 1.24
requested to merge tpm/gstreamer:mr-6476-backport-into-1.24-d3d11videosink-disconnect-window-signals into 1.24
Backport of !6476 (merged) "d3d11videosink: disconnect signals before releasing the window".
Commits:
- 7b69d175 d3d11videosink: disconnect signals before releasing the window