68bbfdc9a2
When a datachannel within a session is removed after proper close, reference to the error_ignore_bin elements of the datachannel appsrc/appsink were left in webrtcbin. This caused the bin-objects to be left and not freed until the whole webrtc session was terminated. Among other things that includes a thread from the appsrc. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7675>