Generate event links only using room ids

src/timeline/TimelineModel.cpp

@@ -2246,8 +2246,9 @@ TimelineModel::getRoomVias(const QString &roomId)
 void
 TimelineModel::copyLinkToEvent(const QString &eventId) const
 {
-    auto link = QStringLiteral("%1/%2?%3")
-                  .arg(getBareRoomLink(room_id_),
+    // Event links shouldn't use an alias, since that can be repointed.
+    auto link = QStringLiteral("https://matrix.to/#/%1/%2?%3")
+                  .arg(QUrl::toPercentEncoding(room_id_),
                        QString(QUrl::toPercentEncoding(eventId)),
                        getRoomVias(room_id_));
     QGuiApplication::clipboard()->setText(link);