**Describe the bug** When I use tab bar item in a navigation controller I get a black background and the position of tab bar item isn't also correct. **Screenshots** <img width="132" alt="Screen Shot 2020-03-29 at 22 43 28" src="https://user-images.githubusercontent.com/22890731/77856790-c6e18b00-720e-11ea-929a-448261e05fc0.png">  - OS: iOS 13
Describe the bug
When I use tab bar item in a navigation controller I get a black background and the position of tab bar item isn't also correct.
Screenshots
