Backport of "gstreamer: parse: Don't assume that child proxy child objects are GstObjects" into 1.24
requested to merge gstreamer-backport-bot/gstreamer:mr-6938-backport-into-1.24-parse-non-gobject-child-object into 1.24
Backport of !6938 (merged) "gstreamer: parse: Don't assume that child proxy child objects are GstObjects".
Commits:
- 529f2472 gstreamer: parse: Don't assume that child proxy child objects are GstObjects