NERoomMember constructor Null safety

1. yunxin_roomkit
2. roomkit
3. NERoomMember
4. NERoomMember constructor

NERoomMember class

1. Constructors
2. NERoomMember
3. Properties
4. hashCode
5. isAudioOn
6. isInChatroom
7. isInRtcChannel
8. isSharingScreen
9. isSharingWhiteboard
10. isVideoOn
11. name
12. properties
13. role
14. runtimeType
15. uuid
16. Methods
17. noSuchMethod
18. toString
19. Operators
20. operator ==