Details: <p><strong>Testing:</strong></p><p style="margin-left: 40px;">- Create a test class in the catalogue tools.</p><p style="margin-left: 40px;">- Add an icon to it (from outside the default icons folder of the environment, so that the file will get added to it...)</p><p style="margin-left: 40px;">- Using Windows File Explorer, reach the icon file that got imported within the 'Icons' folder of the environment, and try to change it using Paint.net or any image editing sofyware, modify it and try to save the file.</p><p style="margin-left: 40px;">- If you do not get a message saying the file is used by another process, all works fine!</p><p> </p>