Enable 'scale-monitor-framebuffer' by default (#2660)

Co-authored-by: Danielle Foré <[email protected]>

Author: leolost2605

data/20_elementary.pantheon.wm.gschema.override

@@ -2,6 +2,7 @@
 dynamic-workspaces = true
 attach-modal-dialogs = false
 edge-tiling = true
+experimental-features = ['scale-monitor-framebuffer']
 
 [org.gnome.desktop.wm.preferences:Pantheon]
 button-layout='close:maximize'