Fix controller scroll isn't working in WaveVRModule

Author: lawwong

Assets/HTC.UnityPlugin/VRModule/Modules/WaveVRModule.cs

@@ -520,6 +520,7 @@ private IVRModuleDeviceStateRW UpdateDevicePose(uint deviceIndex, WaveVR.Device
                     currState.serialNumber = content.type.ToString();
                     currState.modelNumber = content.type.ToString();
                     currState.renderModelName = content.type.ToString();
+                    currState.input2DType = VRModuleInput2DType.TouchpadOnly;
                 }
 
                 // update pose
@@ -801,4 +802,4 @@ public override void TriggerHapticVibration(uint deviceIndex, float durationSeco
 #endif
 #endif
     }
-    }
+}