StopClient() is causing crash

[Lymdun]

Describe the bug
When calling StopClient(), the entire game is crashing. Also the client isn't properly disconnected from the server.

Expected behavior
Client should be properly disconnected from the server, and no crash should be involved.

[Lymdun]

Stacktrace:

StackOverflowException: The requested operation caused a stack overflow.
UnityEngine.Object.IsNativeObjectAlive (UnityEngine.Object o) (at C:/buildslave/unity/build/Runtime/Export/Scripting/UnityEngineObject.bindings.cs:156)
UnityEngine.Object.CompareBaseObjects (UnityEngine.Object lhs, UnityEngine.Object rhs) (at C:/buildslave/unity/build/Runtime/Export/Scripting/UnityEngineObject.bindings.cs:135)
UnityEngine.Object.op_Inequality (UnityEngine.Object x, UnityEngine.Object y) (at C:/buildslave/unity/build/Runtime/Export/Scripting/UnityEngineObject.bindings.cs:396)
UnityEngine.Events.BaseInvokableCall.AllowInvoke (System.Delegate delegate) (at C:/buildslave/unity/build/Runtime/Export/UnityEvent/UnityEvent.cs:133)
UnityEngine.Events.InvokableCall.Invoke () (at C:/buildslave/unity/build/Runtime/Export/UnityEvent/UnityEvent.cs:165)
UnityEngine.Events.UnityEvent.Invoke () (at C:/buildslave/unity/build/Runtime/Export/UnityEvent/UnityEvent/UnityEvent_0.cs:58)
Mirror.Tcp.TcpTransport.<Awake>b__5_4 () (at Assets/Mirror/Runtime/Transport/Tcp/TcpTransport.cs:33)
Mirror.Tcp.Client.Disconnect () (at Assets/Mirror/Runtime/Transport/Tcp/Client.cs:89)
Mirror.Tcp.TcpTransport.ClientDisconnect () (at Assets/Mirror/Runtime/Transport/Tcp/TcpTransport.cs:54)
Mirror.NetworkConnectionToServer.Disconnect () (at Assets/Mirror/Runtime/NetworkConnectionToServer.cs:29)
Mirror.NetworkClient.Disconnect () (at Assets/Mirror/Runtime/NetworkClient.cs:196)
Mirror.NetworkManager.StopClient () (at Assets/Mirror/Runtime/NetworkManager.cs:603)
Mirror.NetworkManager.OnClientDisconnect (Mirror.NetworkConnection conn) (at Assets/Mirror/Runtime/NetworkManager.cs:1359)
Mirror.NetworkManager.OnClientDisconnectInternal (Mirror.NetworkConnection conn, Mirror.DisconnectMessage msg) (at Assets/Mirror/Runtime/NetworkManager.cs:1184)
Mirror.MessagePacker+<>c__DisplayClass6_0`2[T,C].<MessageHandler>b__0 (Mirror.NetworkConnection conn, Mirror.NetworkReader reader, System.Int32 channelId) (at Assets/Mirror/Runtime/MessagePacker.cs:133)
Mirror.NetworkConnection.InvokeHandler (System.Int32 msgType, Mirror.NetworkReader reader, System.Int32 channelId) (at Assets/Mirror/Runtime/NetworkConnection.cs:215)
Mirror.NetworkConnection.InvokeHandler[T] (T msg, System.Int32 channelId) (at Assets/Mirror/Runtime/NetworkConnection.cs:243)
Mirror.NetworkClient.OnDisconnected () (at Assets/Mirror/Runtime/NetworkClient.cs:150)
UnityEngine.Events.InvokableCall.Invoke () (at C:/buildslave/unity/build/Runtime/Export/UnityEvent/UnityEvent.cs:166)
UnityEngine.Events.UnityEvent.Invoke () (at C:/buildslave/unity/build/Runtime/Export/UnityEvent/UnityEvent/UnityEvent_0.cs:58)
Mirror.Tcp.TcpTransport.<Awake>b__5_4 () (at Assets/Mirror/Runtime/Transport/Tcp/TcpTransport.cs:33)
Mirror.Tcp.Client.Disconnect () (at Assets/Mirror/Runtime/Transport/Tcp/Client.cs:89)
Mirror.Tcp.TcpTransport.ClientDisconnect () (at Assets/Mirror/Runtime/Transport/Tcp/TcpTransport.cs:54)
Mirror.NetworkConnectionToServer.Disconnect () (at Assets/Mirror/Runtime/NetworkConnectionToServer.cs:29)
Mirror.NetworkClient.Disconnect () (at Assets/Mirror/Runtime/NetworkClient.cs:196)
Mirror.NetworkManager.StopClient () (at Assets/Mirror/Runtime/NetworkManager.cs:603)
Mirror.NetworkManager.OnClientDisconnect (Mirror.NetworkConnection conn) (at Assets/Mirror/Runtime/NetworkManager.cs:1359)
Mirror.NetworkManager.OnClientDisconnectInternal (Mirror.NetworkConnection conn, Mirror.DisconnectMessage msg) (at Assets/Mirror/Runtime/NetworkManager.cs:1184)
Mirror.MessagePacker+<>c__DisplayClass6_0`2[T,C].<MessageHandler>b__0 (Mirror.NetworkConnection conn, Mirror.NetworkReader reader, System.Int32 channelId) (at Assets/Mirror/Runtime/MessagePacker.cs:133)
Mirror.NetworkConnection.InvokeHandler (System.Int32 msgType, Mirror.NetworkReader reader, System.Int32 channelId) (at Assets/Mirror/Runtime/NetworkConnection.cs:215)
Mirror.NetworkConnection.InvokeHandler[T] (T msg, System.Int32 channelId) (at Assets/Mirror/Runtime/NetworkConnection.cs:243)
Mirror.NetworkClient.OnDisconnected () (at Assets/Mirror/Runtime/NetworkClient.cs:150)
UnityEngine.Events.InvokableCall.Invoke () (at C:/buildslave/unity/build/Runtime/Export/UnityEvent/UnityEvent.cs:166)
UnityEngine.Events.UnityEvent.Invoke () (at C:/buildslave/unity/build/Runtime/Export/UnityEvent/UnityEvent/UnityEvent_0.cs:58)
...

[paulpach]

fixed in f584388