Backport of "rtpmanager/rtsession: race conditions leading to critical warnings" into 1.22
requested to merge tpm/gstreamer:backport-mr-4528-into-1.22-rtpsession-hash_table-criticals into 1.22
Backport of !4528 (merged) "rtpmanager/rtsession: race conditions leading to critical warnings".
Commits:
- 5ef2ce69 rtpmanager/rtsession: race conditions leading to critical warnings