Fix wrong list used when forwarding an Event to some rooms fails.

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RoomContentForwarder.kt

@@ -72,7 +72,7 @@ class RoomContentForwarder(
         }
 
         if (failedForwardingTo.isNotEmpty()) {
-            throw ForwardEventException(toRoomIds.toList())
+            throw ForwardEventException(failedForwardingTo.toList())
         }
     }
 }