Fix launching ship of harkinian from KDE plasma's start menu.

nix/steam_deck/configuration/roles/shipwright/default.nix

@@ -25,7 +25,7 @@
       }
       (lib.mkIf config.me.graphical {
         home.packages = with pkgs; [
-          (config.lib.nixGL.wrap shipwright)
+          shipwright
         ];
 
         home.file.".local/share/soh/shipofharkinian.json" = {
@@ -45,6 +45,26 @@
             ".local/share/soh/oot.otr"
           ];
         };
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            shipwright = pkgs.buildEnv {
+              name = prev.shipwright.name;
+              paths = [
+                (config.lib.nixGL.wrap prev.shipwright)
+              ];
+              extraOutputsToInstall = [
+                "man"
+                "doc"
+                "info"
+              ];
+              # We have to use 555 instead of the normal 444 here because the .desktop file ends up inside $HOME on steam deck and desktop files must be either not in $HOME or must be executable, otherwise KDE Plasma refuses to execute them.
+              postBuild = ''
+                chmod 0555 $out/share/applications/soh.desktop
+              '';
+            };
+          })
+        ];
       })
     ]
   );