str write command fix

bsp_q7s/devices/startracker/StarTrackerHandler.cpp

@@ -920,7 +920,7 @@ ReturnValue_t StarTrackerHandler::scanForTmReply(DeviceCommandId_t *foundId) {
 void StarTrackerHandler::handleEvent(EventMessage* eventMessage) {
     object_id_t objectId = eventMessage->getReporter();
     switch(objectId){
-    case objects::STR_IMG_LOADER: {
+    case objects::STR_HELPER: {
         // All events from image loader signal either that the operation was successful or that it
         // failed
         strHelperExecuting = false;