Input Actions with the same description silently breaks OpenXR input

• Create a new VR Template
• Open IA_Grab_Left and change the description to "Grab"
• Open IA_Grab_Right and change hte description to "Grab"
• VR preview

Results: Motioncontroller tracking and Input stops working

Expected: A warning or message is displayed letting the user know that Input Actions, OR Input Mapping Contexts must have unique descriptions

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