Optimize UserLookupService

modules/users/src/Volo.Abp.Users.Domain/Volo/Abp/Users/UserLookupService.cs

@@ -66,6 +66,10 @@ namespace Volo.Abp.Users
             {
                 await WithNewUowAsync(() => _userRepository.UpdateAsync(localUser, cancellationToken: cancellationToken));
             }
+            else
+            {
+                return localUser;
+            }
 
             return await _userRepository.FindAsync(id, cancellationToken: cancellationToken);
         }
@@ -111,6 +115,10 @@ namespace Volo.Abp.Users
             {
                 await WithNewUowAsync(() => _userRepository.UpdateAsync(localUser, cancellationToken: cancellationToken));
             }
+            else
+            {
+                return localUser;
+            }
 
             return await _userRepository.FindAsync(externalUser.Id, cancellationToken: cancellationToken);
         }