theme: Use insensitive theming for undecorated insensitive buttons

Menu items such as "paste" when no clipboard is available were always
painted as active. This is because the undecorated buttons do not use
the insensitive color anymore.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2919>

diff --git a/data/theme/gnome-shell-sass/_drawing.scss b/data/theme/gnome-shell-sass/_drawing.scss
index 3909f518f520b5962640fe49645e2966732d1c12..85f16fb3cd39d020630c54125d3dbb08dba60d6a 100644 (file)
--- a/data/theme/gnome-shell-sass/_drawing.scss
+++ b/data/theme/gnome-shell-sass/_drawing.scss
@@ -247,6 +247,7 @@
     background-color: none;
     box-shadow: none;
     &:insensitive {
+      @include button(insensitive);
       background-color: transparent;
     }
   }