Clear Build and Cache Directory After Project Move or Copy (#2184)

* Clear build and Cache directories when copying or moving projects

Signed-off-by: nggieber <nggieber@amazon.com>

* Updated tests for moving projects and Added tests for copying projects and skipping build files

Signed-off-by: nggieber <nggieber@amazon.com>

* Address PR feedback and fix a few minor UX issues, and request project be rebuild after copying or moving

Signed-off-by: nggieber <nggieber@amazon.com>

* Include ProjectInfo.h in ProjectUtils.h so linux will compile

Signed-off-by: nggieber <nggieber@amazon.com>

Code/Tools/ProjectManager/Platform/Mac/ProjectManagerDefs_mac.cpp

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ * 
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <ProjectManagerDefs.h>
+
+
+namespace O3DE::ProjectManager
+{
+    const QString ProjectBuildPathPostfix = ProjectBuildDirectoryName + "/mac_xcode";
+
+} // namespace O3DE::ProjectManager