fix Bug #7818

lib/presentation/screens/actions/disease/sc_edit_action_disease.dart

@@ -342,8 +342,7 @@ class _EditActionDiseaseScreenState extends State<EditActionDiseaseScreen> {
                                 _disease.harmLevel ?? "";
                             _treePercentController.text = _disease.treePercent
                                 .formatStringToStringDecimal();
-                            _locationController.text =
-                                _disease.location.formatStringToStringDecimal();
+                            _locationController.text = _disease.location ?? "";
                             _naturalEnemyController.text =
                                 _disease.naturalEnemy ?? "";
                             _treatmentMeasuresController.text =