review if `toggleSorting` is a copypaste vestige

[github-actions[bot]]

https://github.com/tankonstin-labs/taburette/blob/2ea55361377d6fd845a387067e18746afc5cd4b0/vanguarde/src/redux/songs.js#L37

    };
}

const { actions, reducer } = songsSlice;
// TODO: review if `toggleSorting` is a copypaste vestige
export const { fetchBegin, fetchSongListSuccess, fetchError, toggleSorting } = actions;
export default reducer;