Backport of "waylandsink: config buffer pool with query size when propose_allocation" into 1.24
requested to merge gstreamer-backport-bot/gstreamer:mr-6666-backport-into-1.24-waylandsink into 1.24
Backport of !6666 (merged) "waylandsink: config buffer pool with query size when propose_allocation".
Commits:
- 4dfdaf67 waylandsink: config buffer pool with query size when propose_allocation