rtsp-media: deactivate media when shutting down from paused
rtsp-media: deactivate media when shutting down from paused

This was only done when going directly from playing.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=737829

barisdemiray/gst-rtsp-server,barisdemiray/gst-rtsp-server,thaytan/gst-rtsp-server,barisdemiray/gst-rtsp-server,surround-io/gst-rtsp-server,hsteinhaus/gst-rtsp-server,thaytan/gst-rtsp-server,thaytan/gst-rtsp-server,surround-io/gst-rtsp-server,hsteinhaus/gst-rtsp-server,surround-io/gst-rtsp-server,hsteinhaus/gst-rtsp-server