This PR follows: * #22950 ### Before The Review Box has many problems: * It doesn't work for small screens. * It has an anonying animation which makes the UI laggy. * It uses "custom dropdown menu" which is very difficult to fine tune. * `$().toggle('visible')` is not a correct call * jQuery just accepts any invalid `duration` argument: `$().toggle('anyting')` * The button is not a button. <details>  </details> ### After These problems are fixed, and eliminate many `!important` games. <details>    </details> And most dropdown icons still looks good: <details>   </details> Co-authored-by: delvh <leon@kske.dev>
