Add contextEventId

src/matrix/room/timeline/Timeline.js

@@ -245,9 +245,9 @@ export class Timeline {
     }
 
     async _loadRelatedEvents(entries) {
-        const filteredEntries = entries.filter(e => !!e.relation);
+        const filteredEntries = entries.filter(e => !!e.contextEventId);
         for (const entry of filteredEntries) {
-            const id = entry.relatedEventId;
+            const id = entry.contextEventId;
             let contextEvent;
             // find in remote events
             contextEvent = this.getByEventId(id);

src/matrix/room/timeline/entries/EventEntry.js

@@ -127,6 +127,15 @@ export class EventEntry extends BaseEventEntry {
         return getRelatedEventId(this.event);
     }
 
+    // return a related event-id only if this entry is a reply
+    // excludes relations like redaction
+    get contextEventId() {
+        if (this.isReply) {
+            return this.relatedEventId;
+        }
+        return null;
+    }
+
     get contextEntry() {
         return this._contextEntry;
     }