Fix mediator

src/Managing.Application.Abstractions/Services/IUserService.cs

@@ -11,4 +11,5 @@ public interface IUserService
     Task<User> UpdateTelegramChannel(User user, string telegramChannel);
     Task<User> GetUserByName(string name);
     Task<User> GetUserByAgentName(string agentName);
+    Task<IEnumerable<User>> GetAllUsersAsync();
 }