cleanup(plugin): remove dependency on unstable moc functions

src/core/plugin.cpp

@@ -3,9 +3,6 @@
 
 #include <qvector.h> // NOLINT (what??)
 
-// defined by moc. see below comment.
-void qml_register_types_QuickShell(); // NOLINT
-
 static QVector<QuickshellPlugin*> plugins; // NOLINT
 
 void QuickshellPlugin::registerPlugin(QuickshellPlugin& plugin) { plugins.push_back(&plugin); }
@@ -24,11 +21,6 @@ void QuickshellPlugin::initPlugins() {
 		plugin->init();
 	}
 
-	// This seems incredibly stupid but it appears qt will not register the module types
-	// if types are already defined for the module, meaning qmlRegisterType does not work
-	// unless the module types are already registered.
-	qml_register_types_QuickShell();
-
 	for (QuickshellPlugin* plugin: plugins) {
 		plugin->registerTypes();
 	}

src/wayland/init.cpp

@@ -10,7 +10,17 @@ class WaylandPlugin: public QuickshellPlugin {
 	bool applies() override { return QGuiApplication::platformName() == "wayland"; }
 
 	void registerTypes() override {
-		qmlRegisterType<WaylandPanelInterface>("QuickShell", 1, 0, "PanelWindow");
+		qmlRegisterType<WaylandPanelInterface>("QuickShell._WaylandOverlay", 1, 0, "PanelWindow");
+
+		// If any types are defined inside a module using QML_ELEMENT then all QML_ELEMENT types
+		// will not be registered. This can be worked around with a module import which makes
+		// the QML_ELMENT module import the old register-type style module.
+		qmlRegisterModuleImport(
+		    "QuickShell",
+		    QQmlModuleImportModuleAny,
+		    "QuickShell._WaylandOverlay",
+		    QQmlModuleImportLatest
+		);
 	}
 };