Highlight active settings in reader settings

src/modules/reader/components/settings/layout/ReaderSettingReadingMode.tsx

@@ -30,6 +30,7 @@ export const ReaderSettingReadingMode = ({
             {...buttonSelectInputProps}
             label={t('reader.settings.label.reading_mode')}
             value={readingMode.isDefault ? undefined : readingMode.value}
+            defaultValue={readingMode.isDefault ? readingMode.value : undefined}
             values={READING_MODE_VALUES}
             setValue={setReadingMode}
             valueToDisplayData={READING_MODE_VALUE_TO_DISPLAY_DATA}