gst: Add override for gst_event_parse_sink_message
gst: Add override for gst_event_parse_sink_message

GStreamer/gst-python,freedesktop-unofficial-mirror/gstreamer-sdk__gst-python,pexip/gst-python,freedesktop-unofficial-mirror/gstreamer-sdk__gst-python,GStreamer/gst-python,freedesktop-unofficial-mirror/gstreamer-sdk__gst-python,freedesktop-unofficial-mirror/gstreamer__gst-python,GStreamer/gst-python,alessandrod/gst-python,pexip/gst-python,freedesktop-unofficial-mirror/gstreamer-sdk__gst-python,lubosz/gst-python,freedesktop-unofficial-mirror/gstreamer__gst-python,alessandrod/gst-python,lubosz/gst-python,alessandrod/gst-python,freedesktop-unofficial-mirror/gstreamer__gst-python,lubosz/gst-python,pexip/gst-python