Update flake

packages/wallpaper-engine-plasma6-plugin.nix

@@ -6,7 +6,6 @@
 pkgs.kdePackages.callPackage (
   {
     extra-cmake-modules,
-    fetchFromGitHub,
     kpackage,
     libplasma,
     lib,
@@ -42,25 +41,22 @@ pkgs.kdePackages.callPackage (
       ];
 
       extraCmakeFlags = [
-        "-DQML2_CMAKE_PATH=${
-          lib.makeSearchPath "lib/qt-6/qml" [
+        (lib.cmakeFeature "QML_LIB" (lib.makeSearchPathOutput "out" "lib/qt-6/qml" [
             qtmultimedia
             qtwebchannel
-            qtwebengine.dev
+            qtwebengine
             qtwebsockets
-          ]
-        }"
-        "-DQt6_DIR=${qtbase}/lib/cmake/Qt6"
-        "-DUSE_PLASMAPKG=ON"
+        ]))
+        (lib.cmakeFeature "Qt6_DIR" "${qtbase}/lib/cmake/Qt6")
       ];
 
       postInstall = let
         py3-ws = python3.withPackages (ps: with ps; [websockets]);
       in ''
-        cd ../plugin
+        cd $out/share/plasma/wallpapers/com.github.catsout.wallpaperEngineKde
+        chmod +x ./contents/pyext.py
         PATH=${py3-ws}/bin:$PATH patchShebangs --build ./contents/pyext.py
         substituteInPlace ./contents/ui/Pyext.qml --replace-fail NIX_STORE_PACKAGE_PATH ${placeholder "out"}
-        kpackagetool6 -i ./ -p $out/share/plasma/wallpapers/
       '';
 
       meta = with lib; {