Project Manager Toolbar Update

- use flow control for projects page for automatic updates when resizing
- made the first time screen only display the first time

Code/Tools/ProjectManager/Source/ProjectManagerWindow.h

@@ -13,17 +13,9 @@
 
 #if !defined(Q_MOC_RUN)
 #include <QMainWindow>
-
-#include <ScreensCtrl.h>
-
 #include <PythonBindings.h>
 #endif
 
-namespace Ui
-{
-    class ProjectManagerWindowClass;
-}
-
 namespace O3DE::ProjectManager
 {
     class ProjectManagerWindow
@@ -35,13 +27,7 @@ namespace O3DE::ProjectManager
         explicit ProjectManagerWindow(QWidget* parent, const AZ::IO::PathView& engineRootPath);
         ~ProjectManagerWindow();
 
-    protected slots:
-        void HandleProjectsMenu();
-        void HandleEngineMenu();
-
     private:
-        QScopedPointer<Ui::ProjectManagerWindowClass> m_ui;
-        ScreensCtrl* m_screensCtrl;
         AZStd::unique_ptr<PythonBindings> m_pythonBindings;
     };