wxGUI/modeler: fix https://trac.osgeo.org/grass/changeset/58607

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@58608 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gmodeler/dialogs.py

@@ -967,7 +967,7 @@ class ItemListCtrl(ModelListCtrl):
         
         # reorganize model items
         model.ReorderItems(idxList)
-        ### model.Normalize()
+        model.Normalize()
         self.Populate(model.GetItems(objType=ModelAction))
         
         # re-selected originaly selected item

gui/wxpython/gmodeler/model.py

@@ -1473,7 +1473,8 @@ class ModelItem(ModelObject):
 
     def SetLabel(self, label=''):
         """!Set loop text (condition)"""
-        self.label = label
+        if label:
+            self.label = label
         self.ClearText()
         self.AddText('(' + str(self.id) + ') ' + self.label)