SendOperation: Return whole message, not just GUID.

kordophone/Bridge/Operations/MBIMSendMessageOperation.m

@@ -9,6 +9,7 @@
 #import "MBIMSendMessageOperation.h"
 
 #import "IMCore_ClassDump.h"
+#import "IMMessageItem+Encoded.h"
 
 @implementation MBIMSendMessageOperation
 
@@ -81,9 +82,7 @@
     
     IMMessage *result = [self _sendMessage:messageBody toChatWithGUID:guid attachmentGUIDs:transferGUIDs];
     if (result) {
-        response = [MBIMJSONDataResponse responseWithJSONObject:@{
-            @"guid" : [result guid]
-        }];
+        response = [MBIMJSONDataResponse responseWithJSONObject:[result mbim_dictionaryRepresentation]];
     }
     
     self.serverCompletionBlock(response);