all application options will adapt to environment

when used either with nixos (no home-manager) or home-manager standalone, `features.applications.<name>.enable` options still perform some functionality, rather than assuming a full nixos + home-manager setup like before

modules/features/nixos/home-manager.nix

@@ -15,6 +15,14 @@
       useUserPackages = true;
       backupFileExtension = "bak";
       users.grey = self.homeModules.${config.info.hostName};
+      sharedModules = [
+        { features.nixos.stylix.enable = lib.mkDefault config.features.nixos.stylix.enable; }
+        ( lib.mkIf (config.features.nixos.stylix.enable) 
+          ( if (config.features.applications.gui.floorp.enable) then {
+            stylix.targets.floorp.profileNames = [ "default" ];
+          } else {})
+        )
+      ];
     };
   };
 }