OGDisplayable constructor Null safety

1. sendbird_sdk
2. og_interfaces
3. OGDisplayable
4. OGDisplayable constructor

OGDisplayable class

1. Constructors
2. OGDisplayable
3. Properties
4. hashCode
5. height
6. runtimeType
7. width
8. Methods
9. noSuchMethod
10. toString
11. Operators
12. operator ==