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/kpackage/default.nix

@@ -1,13 +1,13 @@
 {
   mkDerivation, fetchurl, lib, copyPathsToStore,
   extra-cmake-modules, kdoctools,
-  karchive, kconfig, kcoreaddons, ki18n
+  karchive, kconfig, kcoreaddons, ki18n, qtbase,
 }:
 
 mkDerivation {
   name = "kpackage";
   meta = { maintainers = [ lib.maintainers.ttuegel ]; };
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
-  propagatedBuildInputs = [ karchive kconfig kcoreaddons ki18n ];
+  buildInputs = [ karchive kconfig kcoreaddons ki18n qtbase ];
   patches = copyPathsToStore (lib.readPathsFromFile ./. ./series);
 }