Modal and Dialog documentation missing

[Angel Lacret]

Describe the bug
The code has an error

To Reproduce
Steps to reproduce the behavior:

1. Go to https://8base.github.io/boost/?selectedKind=ATOMS%2FDialog%20%28skip%20shot%29&selectedStory=with%20state&full=0&addons=1&stories=1&panelRight=0
2. Click on Source View
3. See error