gnome3.mutter: backport patches from gnome-3-34 branch

There's probably other fixes people would be interested in
like https://gitlab.gnome.org/GNOME/mutter/merge_requests/943.

Fixes #74934

pkgs/desktops/gnome-3/core/mutter/default.nix

@@ -105,20 +105,34 @@ stdenv.mkDerivation rec {
   ];
 
   patches = [
+    # Fixes from gnome-3-34 branch 2019-11-29.
+    (fetchpatch {
+      name = "gnome-3-34-2019-11-29.patch";
+      url = "https://github.com/GNOME/mutter/compare/3.34.1...c0e76186da5b7baf7c8804c0ffa80232a5a6bf98.patch";
+      excludes = [
+        ".gitlab-ci.yml"
+        ".gitlab-ci/checkout-gnome-shell.sh"
+      ];
+      sha256 = "1qmxic83bd3dvg6isipqy8jaaksd7p5s3cb7h44zinq738n8d0fb";
+    })
+
+    # Fix build with libglvnd provided headers
+    (fetchpatch {
+      url = "https://gitlab.gnome.org/GNOME/mutter/commit/a444a4c5f58ea516ad3cd9d6ddc0056c3ca9bc90.patch";
+      sha256 = "0imy2j8af9477jliwdq4jc40yw1cifsjjf196gnmwxr9rkj0hbrd";
+    })
+
     # Drop inheritable cap_sys_nice, to prevent the ambient set from leaking
     # from mutter/gnome-shell, see https://github.com/NixOS/nixpkgs/issues/71381
     ./drop-inheritable.patch
+
     # TODO: submit upstream
     ./0001-build-use-get_pkgconfig_variable-for-sysprof-dbusdir.patch
+
     (substituteAll {
       src = ./fix-paths.patch;
       inherit zenity;
     })
-    # Fix build with libglvnd provided headers
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/GNOME/mutter/commit/a444a4c5f58ea516ad3cd9d6ddc0056c3ca9bc90.patch";
-      sha256 = "0imy2j8af9477jliwdq4jc40yw1cifsjjf196gnmwxr9rkj0hbrd";
-    })
   ];
 
   postPatch = ''