Apply refinements to UD logic.

SignalServiceKit/src/Messages/OWSMessageManager.m

@@ -1453,13 +1453,12 @@ NS_ASSUME_NONNULL_BEGIN
         return;
     }
 
-    BOOL isRecipientDevice = YES;
     SignalRecipient *_Nullable recipient =
         [SignalRecipient registeredRecipientForRecipientId:localNumber transaction:transaction];
     if (!recipient) {
         OWSFailDebug(@"No local SignalRecipient.");
     } else {
-        isRecipientDevice = [recipient.devices containsObject:@(envelope.sourceDevice)];
+        BOOL isRecipientDevice = [recipient.devices containsObject:@(envelope.sourceDevice)];
         if (!isRecipientDevice) {
             OWSLogInfo(@"Message received from unknown linked device; adding to local SignalRecipient: %lu.",
                        (unsigned long) envelope.sourceDevice);
@@ -1480,9 +1479,6 @@ NS_ASSUME_NONNULL_BEGIN
                    (unsigned long) envelope.sourceDevice);
 
         [OWSDevicesService refreshDevices];
-    }
-
-    if (!isRecipientDevice || !isInDeviceList) {
         [self.profileManager fetchLocalUsersProfile];
     }
 }