Set display name when sending a group message

SignalServiceKit/src/Messages/OWSMessageSender.m

@@ -57,6 +57,7 @@
 #import <SignalCoreKit/Threading.h>
 #import <SignalMetadataKit/SignalMetadataKit-Swift.h>
 #import <SignalServiceKit/SignalServiceKit-Swift.h>
+#import <SignalServiceKit/ProfileManagerProtocol.h>
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -1102,14 +1103,15 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
                 OWSFailDebug(@"Missing underlying error: %@.", error);
             }
         } else {
-            //OWSFailDebug(@"Unexpected error: %@.", error);
+            // TODO: Re-enable?
+            // OWSFailDebug(@"Unexpected error: %@.", error);
         }
         [self messageSendDidFail:messageSend deviceMessages:deviceMessages statusCode:statusCode error:error responseData:responseData];
     };
     
     if ([recipient.recipientId isEqualToString:LKGroupChatAPI.serverURL]) {
         NSString *userHexEncodedPublicKey = OWSIdentityManager.sharedManager.identityKeyPair.hexEncodedPublicKey;
-        NSString *displayName = @"Anonymous";
+        NSString *displayName = SSKEnvironment.shared.profileManager.localProfileName;
         if (displayName == nil) { displayName = @"Anonymous"; }
         LKGroupMessage *groupMessage = [[LKGroupMessage alloc] initWithHexEncodedPublicKey:userHexEncodedPublicKey displayName:displayName body:message.body type:LKGroupChatAPI.publicChatMessageType timestamp:message.timestamp];
         [[LKGroupChatAPI sendMessage:groupMessage toGroup:LKGroupChatAPI.publicChatID]