kdenlive: avoid double wrapping

pkgs/applications/kde/kdenlive.nix

@@ -84,12 +84,20 @@ mkDerivation {
       sed -i CMakeLists.txt -e '/find_package(Qt5 REQUIRED/ s|)| Concurrent)|'
       substituteAllInPlace src/kdenlivesettings.kcfg
     '';
+
+  dontWrapGApps = true;
+
   # Frei0r path needs to be set too or Kdenlive will complain. See:
   # https://github.com/NixOS/nixpkgs/issues/83885
   # https://github.com/NixOS/nixpkgs/issues/29614#issuecomment-488849325
   qtWrapperArgs = [
     "--set FREI0R_PATH ${frei0r}/lib/frei0r-1"
   ];
+
+  preFixup = ''
+    qtWrapperArgs+=("''${gappsWrapperArgs[@]}")
+  '';
+
   meta = {
     license = with lib.licenses; [ gpl2Plus ];
   };