Room header UI updates (#11507)

* Fix performance issues with useRoomMembers

With the current implementation it would create a new function, with leading: true, rendering the whole throttling useless

* Add public room indicator

* Format room members count better

* Add public room test

* Add search to room summary card

* Update settings UI

* Update snapshot

* Remove default title attribute

src/components/structures/RoomView.tsx

@@ -2443,6 +2443,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
                 resizeNotifier={this.props.resizeNotifier}
                 permalinkCreator={this.permalinkCreator}
                 e2eStatus={this.state.e2eStatus}
+                onSearchClick={this.onSearchClick}
             />
         ) : undefined;