Avoid deadlock

SignalServiceKit/src/Messages/OWSMessageSender.m

@@ -386,9 +386,11 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
 
             // Loki: Optimistically update friend request status when we can. This is used for
             // e.g. preventing AFRs from being sent twice on a contact sync.
+            /*
             if ([LKFriendRequestProtocol shouldUpdateFriendRequestStatusFromMessage:message]) {
                 [LKFriendRequestProtocol setFriendRequestStatusToSendingIfNeededForHexEncodedPublicKey:message.thread.contactIdentifier transaction:transaction];
             }
+             */
         }];
 
         NSOperationQueue *sendingQueue = [self sendingQueueForMessage:message];