Hi, After adding this addon to my storybook with version 6.X, I'm having some weird behaviours: - background of theme don't apply to component preview section - my addon panel is different from the displayed on README.md <img width="1220" alt="Screenshot 2021-02-08 at 15 34 42" src="https://user-images.githubusercontent.com/20595956/107241732-2c072f00-6a23-11eb-9afa-6147477f8769.png"> <img width="1025" alt="Screenshot 2021-02-08 at 15 34 05" src="https://user-images.githubusercontent.com/20595956/107241647-16920500-6a23-11eb-9c2d-917558998f87.png">