RobotUnit: made addObject in createController sync instead of async to avoid thread creation

source/RobotAPI/components/units/RobotUnit/RobotUnit.cpp

@@ -1283,7 +1283,7 @@ namespace armarx
             std::move(ctrlDeviceUsedBitmap),
             std::move(ctrlDeviceUsedIndices),
             deletable, internal);
-        getArmarXManager()->addObjectAsync(nJointCtrl, instanceName, false, false);
+        getArmarXManager()->addObject(nJointCtrl, instanceName, false, false);
         nJointControllers[instanceName] = std::move(nJointCtrl);
         ARMARX_CHECK_EXPRESSION(listenerPrx);
         listenerPrx->nJointControllerCreated(instanceName);