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/desktops/plasma-5/kwrited.nix

@@ -1,9 +1,11 @@
-{ mkDerivation, extra-cmake-modules, kcoreaddons, ki18n, kpty
-, knotifications, kdbusaddons
+{
+  mkDerivation,
+  extra-cmake-modules,
+  kcoreaddons, kdbusaddons, ki18n, knotifications, kpty, qtbase,
 }:
 
 mkDerivation {
   name = "kwrited";
   nativeBuildInputs = [ extra-cmake-modules ];
-  propagatedBuildInputs = [ kcoreaddons ki18n kpty knotifications kdbusaddons ];
+  buildInputs = [ kcoreaddons kdbusaddons ki18n knotifications kpty qtbase ];
 }