message: Fix unpinning of pinned messages
diff: @@ -155,7 +155,7 @@ const PinnedMessagesCard = ({ room, onClose }: IProps) => {
  // show them in reverse, with latest pinned at the top
  content = pinnedEvents.filter(Boolean).reverse().map(ev => (
  - <PinnedEventTile key={ev.getId()} room={room} event={ev} onUnpinClicked={onUnpinClicked} />
  + <PinnedEventTile key={ev.getId()} room={room} event={ev} onUnpinClicked={() => onUnpinClicked(ev)} />
  ));
  } else {
  content = <div className="mx_RightPanel_empty mx_PinnedMessagesCard_empty">
  