user property Null safety

1. soreo
2. authentication_bloc
3. AuthenticationBloc
4. user property

AuthenticationBloc class

1. Constructors
2. AuthenticationBloc
3. Properties
4. auth
5. hashCode
6. isClosed
7. runtimeType
8. state
9. stream
10. user
11. Methods
12. add
13. addError
14. close
15. emit
16. listen
17. mapEventToState
18. noSuchMethod
19. on
20. onChange
21. onError
22. onEvent
23. onTransition
24. toString
25. transformEvents
26. transformTransitions
27. Operators
28. operator ==