Fix ARVRAnchor and ARVRController error spam

scene/3d/arvr_nodes.cpp

@@ -390,7 +390,7 @@ String ARVRController::get_configuration_warning() const {
 };
 
 ARVRController::ARVRController() {
-	controller_id = 0;
+	controller_id = 1;
 	is_active = true;
 	button_states = 0;
 };
@@ -530,7 +530,7 @@ Ref<Mesh> ARVRAnchor::get_mesh() const {
 }
 
 ARVRAnchor::ARVRAnchor() {
-	anchor_id = 0;
+	anchor_id = 1;
 	is_active = true;
 };