Replace remaining React ARIA components with Compound components (#2576)

* Fix issues detected by Knip

Including cleaning up some unused code and dependencies, using a React hook that we unintentionally stopped using, and also adding some previously undeclared dependencies.

* Replace remaining React ARIA components with Compound components

* fix button position

* disable scrollbars to resolve overlapping button

---------

Co-authored-by: Timo <toger5@hotmail.de>

src/auth/useRecaptcha.ts

@@ -13,7 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-// import "@types/grecaptcha";
+
 import { useEffect, useCallback, useRef, useState } from "react";
 import { randomString } from "matrix-js-sdk/src/randomstring";
 import { useTranslation } from "react-i18next";
@@ -23,7 +23,6 @@ import { translatedError } from "../TranslatedError";
 declare global {
   interface Window {
     mxOnRecaptchaLoaded: () => void;
-    // grecaptcha: any;
   }
 }