Backport of "decodebin3: fix random hang when remove failing stream" into 1.22
requested to merge tpm/gstreamer:backport-mr-4599-into-1.22-fix-random-fail-when-pipeline-fail-stream into 1.22
Backport of !4599 (merged) "decodebin3: fix random hang when remove failing stream".
Commits:
- 36333a51 decodebin3: fix random hang when remove failing stream