Line 194 use ecb. instead of state.EntityManager

[KirkGamesLLC]

https://github.com/Unity-Technologies/CharacterControllerSamples/blob/cbf6e6e628e7baaa8a39d7098a88c658d433df20/OnlineFPS/Assets/Scripts/GameManagement/ServerGameSystem.cs#L194C21-L194C91

Entity joinRequestAcceptedEntity = state.EntityManager.CreateEntity();
should be
Entity joinRequestAcceptedEntity = ecb.CreateEntity();