Migrate more strings to translation keys (#11694)

src/components/views/rooms/MemberList.tsx

@@ -236,7 +236,7 @@ export default class MemberList extends React.Component<IProps, IState> {
 
     private createOverflowTile = (overflowCount: number, totalCount: number, onClick: () => void): JSX.Element => {
         // For now we'll pretend this is any entity. It should probably be a separate tile.
-        const text = _t("and %(count)s others...", { count: overflowCount });
+        const text = _t("common|and_n_others", { count: overflowCount });
         return (
             <EntityTile
                 className="mx_EntityTile_ellipsis"