Project Manager Projects Screen Dynamically Shows Projects Loaded from O3DE (#873)

* Projects Home Screen Dynamically displays Projects from O3DE and can open Project settings editor

* Seperated out CreateProjectCtrl and UpdateProjectCtrl

* Moved source level statics back into class headers

* Updated background image location

Code/Tools/ProjectManager/Source/ProjectManagerWindow.cpp

@@ -50,9 +50,9 @@ namespace O3DE::ProjectManager
         QVector<ProjectManagerScreen> screenEnums =
         {
             ProjectManagerScreen::FirstTimeUse,
-            ProjectManagerScreen::NewProjectSettingsCore,
+            ProjectManagerScreen::CreateProject,
             ProjectManagerScreen::ProjectsHome,
-            ProjectManagerScreen::ProjectSettings,
+            ProjectManagerScreen::UpdateProject,
             ProjectManagerScreen::EngineSettings
         };
         m_screensCtrl->BuildScreens(screenEnums);