Fix for controller continuing to vibrate with "Make Controller Invisible On Interaction"

[massycat]

When "Make Controller Invisible On Interaction" is selected and you interact with a NVRInteractableRotator or similar the controller can continue to vibrate after you have stopped the interaction.
When NVRHand sets the controller to Invisible it disables all the hand colliders on the model. Therefore the OnTriggerExit method in NVRHand will not be called when the hand colliders leave the Interactable collider. This means that CurrentlyHoveringOver will not be updated.
Therefore, to fix, CurrentlyHoveringOver is cleared in the SetVisibility method.

[zite]

Thanks for this fix @massycat. I'm not taking it because the colliders aren't actually supposed to be disabled in this scenario, just the renderers. So I've gone ahead and just taken out that code and it seems to work. Let me know if you are still running into the issue.