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/solid.nix

@@ -1,7 +1,7 @@
 {
   mkDerivation, lib,
   bison, extra-cmake-modules, flex,
-  qtbase, qtdeclarative, qttools
+  media-player-info, qtbase, qtdeclarative, qttools
 }:
 
 mkDerivation {
@@ -10,6 +10,8 @@ mkDerivation {
     maintainers = [ lib.maintainers.ttuegel ];
     broken = builtins.compareVersions qtbase.version "5.6.0" < 0;
   };
-  nativeBuildInputs = [ bison extra-cmake-modules flex qttools ];
-  propagatedBuildInputs = [ qtdeclarative ];
+  nativeBuildInputs = [ bison extra-cmake-modules flex ];
+  buildInputs = [ qtdeclarative qttools ];
+  propagatedBuildInputs = [ qtbase ];
+  propagatedUserEnvPkgs = [ media-player-info ];
 }