message: Bubble up a decline-to-render of verification events to outside wrapper
  This stops the event from appearing as a blank line.
diff: @@ -104,7 +104,7 @@ export function getHandlerTile(ev) {
  // fall back to showing hidden events, if we're viewing hidden events
  // XXX: This is extremely a hack. Possibly these components should have an interface for
  // declining to render?
  - if (type === "m.key.verification.cancel" && SettingsStore.getValue("showHiddenEventsInTimeline")) {
  + if (type === "m.key.verification.cancel" || type === "m.key.verification.done") {
  const MKeyVerificationConclusion = sdk.getComponent("messages.MKeyVerificationConclusion");
  if (!MKeyVerificationConclusion.prototype._shouldRender.call(null, ev, ev.request)) {
  return;
  