ui: Fixed start screen not disappearing when opening project with double click on macOS

src/lib/Application.cpp

@@ -227,6 +227,12 @@ void Application::handleMessage(MessageLoadProject* message)
 	TRACE("app load project");
 
 	FilePath projectSettingsFilePath(message->projectSettingsFilePath);
+	if (m_hasGUI)
+	{
+		bool showStartWindow = projectSettingsFilePath.empty();
+		m_mainView->loadWindow(showStartWindow);
+	}
+
 	if (projectSettingsFilePath.empty())
 	{
 		return;

src/lib/component/view/MainView.h

@@ -23,6 +23,8 @@ public:
 
 	virtual void refreshView() = 0;
 
+	virtual void loadWindow(bool showStartWindow) = 0;
+
 	virtual void hideStartScreen() = 0;
 	virtual void setTitle(const std::wstring& title) = 0;
 	virtual void activateWindow() = 0;

src/lib/utility/messaging/type/MessageProjectNew.h

@@ -1,6 +1,7 @@
 #ifndef MESSAGE_PROJECT_NEW_H
 #define MESSAGE_PROJECT_NEW_H
 
+#include "utility/file/FilePath.h"
 #include "utility/messaging/Message.h"
 
 class MessageProjectNew