Use preferred name instead of default name in name editor

Make "Alternative names" context menu match "Preferred name"
GUI label in Names tab of Person Editor.

Fixes #13256.

Author: emyoulation

gramps/gui/editors/displaytabs/nameembedlist.py

@@ -130,7 +130,7 @@ def get_popup_menu_items(self):
                 (True, _("_Add"), self.add_button_clicked),
                 (False, _("_Edit"), self.edit_button_clicked),
                 (True, _("_Remove"), self.del_button_clicked),
-                (True, _("Set as default name"), self.name_button_clicked),
+                (True, _("Set as Preferred name"), self.name_button_clicked),
             ]
         else:
             return [