ARIA Accessibility improvements (#10674)

* Add missing aria-expanded attributes

* Improve autoComplete for phone numbers & email addresses

* Fix room summary card heading order

* Fix missing label on timeline search field

* Use appropriate semantic elements for dropdown listbox

* Use semantic list elements in keyboard settings tab

* Use semantic list elements in spotlight

* Fix types and i18n

* Improve types

* Update tests

* Add snapshot test

res/css/views/right_panel/_RoomSummaryCard.pcss

@@ -19,8 +19,9 @@ limitations under the License.
         text-align: center;
         margin-top: $spacing-20;
 
-        h2 {
+        h1 {
             margin: $spacing-12 0 $spacing-4;
+            font-weight: $font-semi-bold;
         }
 
         .mx_RoomSummaryCard_alias {
@@ -30,7 +31,7 @@ limitations under the License.
             text-overflow: ellipsis;
         }
 
-        h2,
+        h1,
         .mx_RoomSummaryCard_alias {
             display: -webkit-box;
             -webkit-line-clamp: 2;