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/ktexteditor.nix

@@ -1,17 +1,17 @@
-{ mkDerivation, lib, copyPathsToStore
-, extra-cmake-modules, perl
-, karchive, kconfig, kguiaddons, kiconthemes, kparts
-, libgit2
-, qtscript, qtxmlpatterns
-, ki18n, kio, sonnet, syntax-highlighting
+{
+  mkDerivation, lib, copyPathsToStore,
+  extra-cmake-modules, perl,
+  karchive, kconfig, kguiaddons, ki18n, kiconthemes, kio, kparts, libgit2,
+  qtscript, qtxmlpatterns, sonnet, syntax-highlighting
 }:
 
 mkDerivation {
   name = "ktexteditor";
   meta = { maintainers = [ lib.maintainers.ttuegel ]; };
   nativeBuildInputs = [ extra-cmake-modules perl ];
-  propagatedBuildInputs = [
-    karchive kconfig kguiaddons ki18n kiconthemes kio kparts libgit2 qtscript
+  buildInputs = [
+    karchive kconfig kguiaddons ki18n kiconthemes kio libgit2 qtscript
     qtxmlpatterns sonnet syntax-highlighting
   ];
+  propagatedBuildInputs = [ kparts ];
 }