Extends should not highlight packages as types

After an `extends` the first package is marked as a type but should not.

<img width="240" alt="Screenshot 2020-08-20 at 15 21 26" src="https://user-images.githubusercontent.com/3648029/90795416-539bfb00-e30e-11ea-9580-5ef666060410.png">
