Backport of "compositor: Don't crash in prepare_frame() if the pad was just removed" into 1.18
requested to merge tpm/gst-plugins-base:backport-mr-950-into-1.18-compositor-prepare-frame-with-pad-removal into 1.18
Backport of !950 (merged) "compositor: Don't crash in prepare_frame() if the pad was just removed".
Commits:
- 831199a8 compositor: Don't crash in prepare_frame() if the pad was just removed