kdeFrameworks: fixup inputs and outputs

- Reduce environment pollution with a separate $bin output containing programs,
  plugins, and shared data. Libraries remain in $out and are not installed into
  the environment.
- Only propagate build inputs as required.

pkgs/development/libraries/kde-frameworks/kross.nix

@@ -1,14 +1,14 @@
 { mkDerivation, lib, extra-cmake-modules, kcompletion, kcoreaddons
 , kdoctools, ki18n, kiconthemes, kio, kparts, kwidgetsaddons
-, kxmlgui, qtscript
+, kxmlgui, qtbase, qtscript, qtxmlpatterns,
 }:
 
 mkDerivation {
   name = "kross";
   meta = { maintainers = [ lib.maintainers.ttuegel ]; };
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
+  buildInputs = [ kcompletion kcoreaddons kxmlgui ];
   propagatedBuildInputs = [
-    kcompletion kcoreaddons ki18n kiconthemes kio kparts kwidgetsaddons kxmlgui
-    qtscript
+    ki18n kiconthemes kio kparts kwidgetsaddons qtbase qtscript qtxmlpatterns
   ];
 }