kicad: include desktop, icon and mime files

Fixes https://github.com/NixOS/nixpkgs/issues/106295.

pkgs/applications/science/electronics/kicad/default.nix

@@ -216,6 +216,8 @@ stdenv.mkDerivation rec {
     in
     (concatStringsSep "\n"
       (flatten [
+        "runHook preInstall"
+
         (optionalString (withScripting) "buildPythonPath \"${base} $pythonPath\" \n")
 
         # wrap each of the directly usable tools
@@ -227,10 +229,19 @@ stdenv.mkDerivation rec {
 
         # link in the CLI utils
         (map (util: "ln -s ${base}/bin/${util} $out/bin/${util}") utils)
+
+        "runHook postInstall"
       ])
     )
   ;
 
+  postInstall = ''
+    mkdir -p $out/share
+    ln -s ${base}/share/applications $out/share/applications
+    ln -s ${base}/share/icons $out/share/icons
+    ln -s ${base}/share/mime $out/share/mime
+  '';
+
   # can't run this for each pname
   # stable and unstable are in the same versions.nix
   # and kicad-small reuses stable