Backport of "mpegtsmux: Correctly time out and mux anyway in live pipelines" into 1.24
requested to merge gstreamer-backport-bot/gstreamer:mr-6823-backport-into-1.24-tsmux-live-timeout into 1.24
Backport of !6823 (merged) "mpegtsmux: Correctly time out and mux anyway in live pipelines".
Commits: