stop_editing
Description:
Switches the label out of “editing mode”.
If commit is true, the resulting text is kept as the [property@Gtk.Editable:text] property 
      value, otherwise the resulting text is discarded and the label will keep its previous [property@Gtk.Editable:text] property value.
Parameters:
| this | 
           a `GtkEditableLabel`  | 
      
| commit | 
           whether to set the edited text on the label  |