qt6packages.qtwayland: pull pending upstream fix for popup parents

pkgs/development/libraries/qt-6/modules/qtwayland.nix

@@ -4,6 +4,7 @@
 , wayland
 , pkg-config
 , libdrm
+, fetchpatch
 }:
 
 qtModule {
@@ -11,4 +12,13 @@ qtModule {
   propagatedBuildInputs = [ qtbase qtdeclarative ];
   buildInputs = [ wayland libdrm ];
   nativeBuildInputs = [ pkg-config ];
+
+  patches = [
+    # Included in qtwayland 6.7.3
+    # Fixes https://bugs.kde.org/show_bug.cgi?id=489259
+    (fetchpatch {
+      url = "https://invent.kde.org/qt/qt/qtwayland/-/commit/92bcb8f6b7a852c7a5d662fc34de561692a7a454.diff";
+      sha256 = "sha256-XgGO8VnmQHLhUxTGf9CniwkCr5FsFiuUbnVP0NLNekI=";
+    })
+  ];
 }