Save models list after changing a model name

Resolves #1079

radio/src/gui/colorlcd/model_setup.cpp

@@ -1313,6 +1313,7 @@ void ModelSetupPage::build(FormWindow * window)
     auto model = modelslist.getCurrentModel();
     if (model) {
       model->setModelName(g_model.header.name);
+      modelslist.save();
     }
     SET_DIRTY();
   });

radio/src/storage/modelslist.cpp

@@ -83,7 +83,6 @@ void ModelCell::setModelName(char* name, uint8_t len)
     if (tmp != nullptr)
       *tmp = 0;
   }
-
 }
 
 void ModelCell::setModelId(uint8_t moduleIdx, uint8_t id)