Fix mediator

src/Managing.Application/Users/UserService.cs

@@ -247,6 +247,11 @@ public class UserService : IUserService
         return user;
     }
 
+    public async Task<IEnumerable<User>> GetAllUsersAsync()
+    {
+        return await _userRepository.GetAllUsersAsync();
+    }
+
     public async Task SaveOrUpdateAgentSummary(AgentSummary agentSummary)
     {
         try