Backport of "rtsp-client: cleanup transports during TEARDOWN" into 1.18
requested to merge tpm/gst-rtsp-server:backport-mr-184-into-1.18-cleanup-transports-in-teardown into 1.18
Backport of !184 (merged) "rtsp-client: cleanup transports during TEARDOWN".
Commits:
- 2894640c rtsp-client: cleanup transports during TEARDOWN