vlc: add wrapGAppsHook

Fixes no Gsettings error when trying to open file picker.
Following method mentioned in https://github.com/NixOS/nixpkgs/issues/16285

pkgs/applications/video/vlc/default.nix

@@ -71,7 +71,7 @@
 , onlyLibVLC ? false
 , skins2Support ? !onlyLibVLC, freetype
 , waylandSupport ? true, wayland, wayland-protocols
-, withQt5 ? true, qtbase, qtsvg, qtwayland, qtx11extras, wrapQtAppsHook
+, withQt5 ? true, qtbase, qtsvg, qtwayland, qtx11extras, wrapQtAppsHook, wrapGAppsHook
 }:
 
 # chromecastSupport requires TCP port 8010 to be open for it to work.
@@ -177,6 +177,7 @@ stdenv.mkDerivation rec {
     pkg-config
     removeReferencesTo
     unzip
+    wrapGAppsHook
   ]
   ++ optionals withQt5 [ wrapQtAppsHook ]
   ++ optionals waylandSupport [ wayland wayland-protocols ];
@@ -209,6 +210,14 @@ stdenv.mkDerivation rec {
       /usr/share/fonts/truetype/freefont ${freefont_ttf}/share/fonts/truetype
   '';
 
+
+  # to prevent double wrapping of Qtwrap and Gwrap
+  dontWrapGApps = true;
+
+  preFixup = ''
+    qtWrapperArgs+=("''${gappsWrapperArgs[@]}")
+  '';
+
   # - Touch plugins (plugins cache keyed off mtime and file size:
   #     https://github.com/NixOS/nixpkgs/pull/35124#issuecomment-370552830
   # - Remove references to the Qt development headers (used in error messages)