Based on the communication in the support ticket you've submitted about the same issue, I can see that you've managed to implement the targeted functionality in the application you are working on.
Just in case we can help someone else who wants to have the same behavior as yours, I will share the definition of the ImageEditor by which the targeted functionality can be implemented:
The code in yellow will define only one aspect ratio option in the "Crop" pane of the ImageEditor.
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