2437bbbe23
Connect to the backend_combo changed signal after setting state as calling backend_combo.set_active_text() in set_state was triggering backend_changed(), which would then see the driver_combo had not been set and set it to the incorrect value. The value/name of the backend needs to be restored first then we can populate the driver combo and set the correct active entry from the saved state. After which backend_changed() will populate the device combo's etc so they can then be set to the correct active values from the saved state.
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