ENH: Generalize VR binding definition related to complex gesture events

Rendering/OpenVR/vtkOpenVRRenderWindowInteractor.cxx

Rendering/OpenVR/vtk_openvr_actions.json

Rendering/OpenVR/vtk_openvr_binding_hpmotioncontroller.json

Rendering/OpenVR/vtk_openvr_binding_knuckles.json

Rendering/OpenVR/vtk_openvr_binding_oculus_touch.json

Rendering/OpenVR/vtk_openvr_binding_vive_controller.json

Rendering/OpenXR/vtkOpenXRRenderWindowInteractor.cxx

Rendering/OpenXR/vtk_openxr_actions.json

Rendering/OpenXR/vtk_openxr_binding_htc_vive_controller.json

Rendering/OpenXR/vtk_openxr_binding_knuckles.json