style: Restore missing insensitive menuitem style

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3213>

diff --git a/data/theme/gnome-shell-sass/_drawing.scss b/data/theme/gnome-shell-sass/_drawing.scss
index f89f96f2a0bc4731d04e3fcbb0d8f8a1bdd48291..79baa9a7c97ddbc2e3310069024ba6c4c43a35f0 100644 (file)
--- a/data/theme/gnome-shell-sass/_drawing.scss
+++ b/data/theme/gnome-shell-sass/_drawing.scss
@@ -383,6 +383,7 @@
   }
   &:active {@include button(active, $c:$bg);}
   &:checked {@include button(checked, $c:$bg);}
+  &:insensitive {@include button(insensitive, $c:$bg);}
 }
 
 // Panel menu/button drawing function