fix tracking changes not being propagated to AnimationTree

Author: patrykkalinowski

addons/xr-kit/physics-movement/scenes/player.tscn

@@ -1533,6 +1533,7 @@ target_position = Vector3(0, 0, 0)
 [connection signal="thruster" from="Body/XROrigin3D/XRController3D Left" to="Body" method="_on_thruster"]
 [connection signal="thruster_brake" from="Body/XROrigin3D/XRController3D Left" to="Body" method="_on_thruster_brake"]
 [connection signal="tracking_changed" from="Body/XROrigin3D/XRController3D Left" to="Body/XROrigin3D/XRController3D Left" method="_on_tracking_changed"]
+[connection signal="tracking_changed" from="Body/XROrigin3D/XRController3D Left" to="Body/XROrigin3D/OpenXRHand Left/Controller Skeleton3D Left/AnimationTree" method="_on_controller_tracking_changed"]
 [connection signal="trigger" from="Body/XROrigin3D/XRController3D Left" to="Body/XROrigin3D/OpenXRHand Left/Controller Skeleton3D Left/AnimationTree" method="_on_trigger"]
 [connection signal="turned_x" from="Body/XROrigin3D/XRController3D Left" to="Body" method="_on_turned_x"]
 [connection signal="button_pressed" from="Body/XROrigin3D/XRController3D Right" to="Body/XROrigin3D/XRController3D Right" method="_on_button_pressed"]
@@ -1544,6 +1545,7 @@ target_position = Vector3(0, 0, 0)
 [connection signal="thruster" from="Body/XROrigin3D/XRController3D Right" to="Body" method="_on_thruster"]
 [connection signal="thruster_brake" from="Body/XROrigin3D/XRController3D Right" to="Body" method="_on_thruster_brake"]
 [connection signal="tracking_changed" from="Body/XROrigin3D/XRController3D Right" to="Body/XROrigin3D/XRController3D Right" method="_on_tracking_changed"]
+[connection signal="tracking_changed" from="Body/XROrigin3D/XRController3D Right" to="Body/XROrigin3D/OpenXRHand Right/Controller Skeleton3D Right/AnimationTree" method="_on_controller_tracking_changed"]
 [connection signal="trigger" from="Body/XROrigin3D/XRController3D Right" to="Body/XROrigin3D/OpenXRHand Right/Controller Skeleton3D Right/AnimationTree" method="_on_trigger"]
 [connection signal="turned_x" from="Body/XROrigin3D/XRController3D Right" to="Body" method="_on_turned_x"]
 [connection signal="new_pose" from="Body/XROrigin3D/OpenXRHand Left/HandPoseRecognition" to="PhysicsHandLeft" method="_on_hand_pose_recognition_new_pose"]

addons/xr-kit/physics-movement/scripts/controller.gd

@@ -32,6 +32,9 @@ func _ready() -> void:
 		# return to rest pose
 		controller_skeleton.reset_bone_poses()
 
+	# emit current state of tracking
+	tracking_changed.emit(get_has_tracking_data())
+
 
 func turn_x(joystick: float):
 	if (joystick < 0.1 and joystick > -0.1):