Update ardupilot_methodic_configurator/frontend_tkinter_component_editor_base.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Amilcar Lucas <amilcar.lucas@iav.de>

Author: amilcarlucas

ardupilot_methodic_configurator/frontend_tkinter_component_editor_base.py

@@ -333,7 +333,7 @@ def _update_widget_value(self, path: ComponentPath, value: str) -> None:
 
     @staticmethod
     def set_combobox_entries_preserving_width(
-        combobox: PairTupleCombobox, entries: list[tuple[str, str]], selection: Union[str, None]
+        combobox: PairTupleCombobox, entries: list[tuple[str, str]], selection: Optional[str]
     ) -> None:
         """Set combobox entries while preserving the currently configured widget width."""
         width: Optional[int] = None