SW-1483 Fix settings service _empty_settings_model (mrbeam#1539)

Co-authored-by: irlaec <[email protected]>

Author: Yelko-mrbeam

octoprint_mrbeam/services/settings_service.py

@@ -34,7 +34,7 @@ def get_template_settings_model(self, mrbeam_model):
         mrbeam_model_found = MrBeamDocUtils.get_mrbeam_model_enum_for(mrbeam_model)
         if mrbeam_model_found is None:
             self._logger.error('MrBeamModel not identified %s', mrbeam_model)
-            return self._empty_settings_model()
+            return _empty_settings_model()
 
         definitions = MrBeamDocUtils.get_mrbeam_definitions_for(mrbeam_model_found)
         settings_model = SettingsModel()