Backport of "rtmp2/connection: pass the parent cancellable down to the connection" into 1.18
requested to merge tpm/gst-plugins-bad:backport-mr-1862-into-1.18-rtmp2-connection-fail-cancel-leak into 1.18
Backport of !1862 (merged) "rtmp2/connection: pass the parent cancellable down to the connection".
Commits:
- 1f751510 rtmp2/connection: pass the parent cancellable down to the connection