Display the real title screen behind the prelaunch menu (#638)

* Start game execution as soon as a disk image is available

* Do not update dDemo_c if prelaunch document is visible

* Prevent intro music until prelaunch has popped

* Replace "Start Game" references with "Play"

* Make prelaunch layout respect mirror mode

* Add drop shadow to prelaunch disk-status and version-info

* Remove ImGui prelaunch

* Add "Change Disk Image" button to prelaunch options

* Actually validate discs and make prelaunch very betterer :)

* Check your build before pushing dumbass, and go to sleep

* "Disc" consistency, adjust restart notice logic

* Better LanguageSelect logic

* Add restart notice to SaveTypeSelect

* Added wind sounds to the pre-launch menu

* Add Modal document, use it for disc verification

* Consolidate Modal and PresetWindow

* Squash various bugs, rearrange document flow

* Allow Window inheritors to opt-out of being toggleable

* Tweak focus behavior/syntax

* Implement "Restart Now" option

* Tweaks

* Remove a bunch of dynamic_cast

* Update README.md

---------

Co-authored-by: Luke Street <luke@street.dev>

src/dusk/ui/component.cpp

@@ -59,16 +59,6 @@ void Component::set_disabled(bool value) {
     }
 }
 
-Rml::Element* Component::append(Rml::Element* parent, const Rml::String& tag) {
-    if (parent == nullptr) {
-        return nullptr;
-    }
-    auto* doc = parent->GetOwnerDocument();
-    if (doc == nullptr) {
-        return nullptr;
-    }
-    return parent->AppendChild(doc->CreateElement(tag));
-}
 void Component::listen(Rml::Element* element, Rml::EventId event,
     ScopedEventListener::Callback callback, bool capture) {
     if (element == nullptr) {