message: Override hide redaction preference for thread root
diff: @@ -62,7 +62,9 @@ export default function shouldHideEvent(ev: MatrixEvent, ctx?: IRoomState): bool
  name => SettingsStore.getValue(name, ev.getRoomId());
  // Hide redacted events
  - if (ev.isRedacted() && !isEnabled('showRedactions')) return true;
  + // Deleted events with a thread are always shown regardless of user preference
  + // to make sure that a thread can be accessible even if the root message is deleted
  + if (ev.isRedacted() && !isEnabled('showRedactions') && !ev.getThread()) return true;
  // Hide replacement events since they update the original tile (if enabled)
  if (ev.isRelation("m.replace")) return true;
  