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/UpdateProjectCtrl.h

@@ -0,0 +1,51 @@
+/*
+ * All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+ * its licensors.
+ *
+ * For complete copyright and license terms please see the LICENSE at the root of this
+ * distribution (the "License"). All use of this software is governed by the License,
+ * or, if provided, by the license below or the license accompanying this file. Do not
+ * remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ */
+#pragma once
+
+#if !defined(Q_MOC_RUN)
+#include "ProjectInfo.h"
+#include <ScreenWidget.h>
+#include <ScreensCtrl.h>
+#include <QPushButton>
+#endif
+
+
+namespace O3DE::ProjectManager
+{
+    class UpdateProjectCtrl
+        : public ScreenWidget
+    {
+    public:
+        explicit UpdateProjectCtrl(QWidget* parent = nullptr);
+        ~UpdateProjectCtrl() = default;
+        ProjectManagerScreen GetScreenEnum() override;
+
+
+    protected slots:
+        void HandleBackButton();
+        void HandleNextButton();
+        void UpdateCurrentProject(const QString& projectPath);
+
+    private:
+        void UpdateNextButtonText();
+
+        ScreensCtrl* m_screensCtrl;
+        QPushButton* m_backButton;
+        QPushButton* m_nextButton;
+        QVector<ProjectManagerScreen> m_screensOrder;
+
+        ProjectInfo m_projectInfo;
+
+        ProjectManagerScreen m_screenEnum;
+    };
+
+} // namespace O3DE::ProjectManager