graphics/gstreamer1-plugins-gl: re-enable WAYLAND after e3b732b4791c

$ clapper foo.mp4
(com.github.rafostar.Clapper:1234): Clapper-CRITICAL **: Error from element /GstPlayBin:playbin/GstPlaySink:playsink/GstBin:vbin/GstClapperSink:clappersink0: Resource not found.
No importer for given caps found
../lib/gst/plugin/gstclappersink.c(733): gst_clapper_sink_set_caps (): /GstPlayBin:playbin/GstPlaySink:playsink/GstBin:vbin/GstClapperSink:clappersink0
^C

PR: 267517