Userland: Always construct Application with try_create()

Author: https://github.com/AtkinsSJ
Commit: 73552c1856
Pull-request: https://github.com/SerenityOS/serenity/pull/13707
Reviewed-by: https://github.com/alimpfard

Userland/Applications/Assistant/main.cpp

@@ -207,7 +207,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         return 0;
     }
 
-    auto app = GUI::Application::construct(arguments);
+    auto app = TRY(GUI::Application::try_create(arguments));
     auto window = GUI::Window::construct();
     window->set_minimizable(false);