Save message before sending starts.

Otherwise the message doesn't get saved until it's in the queue.
Interestingly, this could also address some of the perceived lag
mentioned in: https://github.com/WhisperSystems/Signal-iOS/pull/1850

// FREEBIE

src/Messages/OWSMessageSender.m

@@ -246,6 +246,7 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
             success:(void (^)())successHandler
             failure:(void (^)(NSError *error))failureHandler
 {
+    [self saveMessage:message withState:TSOutgoingMessageStateAttemptingOut];
     OWSSendMessageOperation *sendMessageOperation = [[OWSSendMessageOperation alloc] initWithMessage:message
                                                                                        messageSender:self
                                                                                              success:successHandler
@@ -339,8 +340,6 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
 
         [attachmentStream save];
         [message.attachmentIds addObject:attachmentStream.uniqueId];
-
-        message.messageState = TSOutgoingMessageStateAttemptingOut;
         [message save];
 
         [self sendMessage:message success:successHandler failure:failureHandler];
@@ -438,9 +437,6 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
             || [message isKindOfClass:[OWSOutgoingSyncMessage class]]) {
 
             TSContactThread *contactThread = (TSContactThread *)thread;
-
-            [self saveMessage:message withState:TSOutgoingMessageStateAttemptingOut];
-
             if ([contactThread.contactIdentifier isEqualToString:self.storageManager.localNumber]
                 && ![message isKindOfClass:[OWSOutgoingSyncMessage class]]) {
 

src/Network/API/OWSUploadingService.m

@@ -41,9 +41,6 @@ NSString *const kAttachmentUploadAttachmentIDKey = @"kAttachmentUploadAttachment
                        success:(void (^)())successHandler
                        failure:(void (^)(NSError *_Nonnull))failureHandler
 {
-    outgoingMessage.messageState = TSOutgoingMessageStateAttemptingOut;
-    [outgoingMessage save];
-
     if (attachmentStream.serverId) {
         DDLogDebug(@"%@ Attachment previously uploaded.", self.tag);
         successHandler(outgoingMessage);