Add explicit "import from FC" button, improve import of configured vehicles - #2047

KeyError: 'initial_import'
self = <test__main__.TestEditorBackupAndMainOrchestration object at 0x112093ce0>

    def test_main_forwards_initial_import_before_parameter_editor_starts(self) -> None:
        """
        Initial-import changes are processed before the parameter editor starts.
    
        GIVEN: Startup creates a project through an initial-import workflow
        WHEN: The application completes component editing
        THEN: process_component_editor_results receives the import flag
        AND: It runs before parameter_editor_and_uploader
        """
        fc_mock = MagicMock()
        fc_mock.fc_parameters = {}
        events: list[str] = []
    
        def _init_fs(state: object) -> None:
            state.flight_controller = fc_mock  # type: ignore[union-attr]
            state.local_filesystem = MagicMock()  # type: ignore[union-attr]
            state.local_filesystem.file_parameters = {}
            state.local_filesystem.doc_dict = {}
            state.local_filesystem.vehicle_dir = "/fake"
            state.local_filesystem.get_fc_fw_version_from_vehicle_components_json.return_value = "4.7.0"
            state.param_default_values_dirty = False  # type: ignore[union-attr]
    
        def _select_vehicle_directory(state: object) -> None:
            state.vehicle_project_manager = MagicMock(initial_import_workflow=True)  # type: ignore[union-attr]
    
        with (
            patch("ardupilot_methodic_configurator.__main__.create_argument_parser") as mock_parser,
            patch("ardupilot_methodic_configurator.__main__.register_plugins"),
            patch("ardupilot_methodic_configurator.__main__.FreeDesktop.create_desktop_icon_if_needed"),
            patch("ardupilot_methodic_configurator.__main__.setup_logging"),
            patch("ardupilot_methodic_configurator.__main__.ProgramSettings.migrate_settings_to_latest_version"),
            patch("ardupilot_methodic_configurator.__main__.check_updates", return_value=False),
            patch("ardupilot_methodic_configurator.__main__.PopupWindow.should_display", return_value=False),
            patch(
                "ardupilot_methodic_configurator.__main__.ProgramSettings.get_setting",
                side_effect=lambda key: False if key != "gui_complexity" else "normal",
            ),
            patch("ardupilot_methodic_configurator.__main__.initialize_flight_controller"),
            patch("ardupilot_methodic_configurator.__main__.initialize_filesystem", side_effect=_init_fs),
            patch(
                "ardupilot_methodic_configurator.__main__.vehicle_directory_selection", side_effect=_select_vehicle_directory
            ),
            patch("ardupilot_methodic_configurator.__main__.plugin_factory.validate_configuration_steps"),
            patch(
                "ardupilot_methodic_configurator.__main__.component_editor",
                side_effect=lambda _state: events.append("component_editor"),
            ),
            patch("ardupilot_methodic_configurator.__main__.process_component_editor_results") as mock_process,
            patch("ardupilot_methodic_configurator.__main__.backup_fc_parameters"),
            patch("ardupilot_methodic_configurator.__main__.upgrade_parameters_for_firmware_version"),
            patch(
                "ardupilot_methodic_configurator.__main__.parameter_editor_and_uploader",
                side_effect=lambda _state: events.append("parameter_editor"),
            ),
            patch("ardupilot_methodic_configurator.__main__.sys_exit"),
        ):
            mock_process.side_effect = lambda *_args, **_kwargs: events.append("process_components")
            mock_parser.return_value.parse_args.return_value = argparse.Namespace(
                loglevel="INFO",
                skip_check_for_updates=False,
                vehicle_dir=None,
                vehicle_type=None,
                device=None,
                reboot_time=5,
                baudrate=115200,
                n=0,
                skip_component_editor=False,
                allow_editing_template_files=False,
                export_fc_params_missing_or_different=False,
            )
    
            main()
    
        mock_process.assert_called_once()
>       assert mock_process.call_args.kwargs["initial_import"] is True
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E       KeyError: 'initial_import'

tests/test__main__.py:1997: KeyError