glimagesink cause gtk-play pop up menu disseapear.
When we try to bring up the ranking of glimagesink to PRIMARY + 3. Under X11 with matchbox session, the gtk-play will not show up the pop up menu anymore when we try to right click the mouse.
We build the gstreamer with -Dgl_platform='egl' on meson.
And attach the debug.log with gl* messages.debug.log