message: Fix redaction event list summaries breaking sender profiles
diff: @@ -1044,6 +1044,10 @@ class RedactionGrouper {
  }
  shouldGroup(ev) {
  + // absorb hidden events so that they do not break up streams of messages & redaction events being grouped
  + if (!this.panel._shouldShowEvent(ev)) {
  + return true;
  + }
  if (this.panel._wantsDateSeparator(this.events[0], ev.getDate())) {
  return false;
  }
  @@ -1055,6 +1059,9 @@ class RedactionGrouper {
  ev.getId(),
  ev === this.lastShownEvent,
  );
  + if (!this.panel._shouldShowEvent(ev)) {
  + return;
  + }
  this.events.push(ev);
  }
  @@ -1080,13 +1087,9 @@ class RedactionGrouper {
  );
  const senders = new Set();
  - let eventTiles = this.events.map((e) => {
  + let eventTiles = this.events.map((e, i) => {
  senders.add(e.sender);
  - // In order to prevent DateSeparators from appearing in the expanded form,
  - // render each member event as if the previous one was itself.
  - // This way, the timestamp of the previous event === the
  - // timestamp of the current event, and no DateSeparator is inserted.
  - return panel._getTilesForEvent(e, e, e === lastShownEvent);
  + return panel._getTilesForEvent(i === 0 ? this.prevEvent : this.events[i - 1], e, e === lastShownEvent);
  }).reduce((a, b) => a.concat(b), []);
  if (eventTiles.length === 0) {
  