Fix for missing dynamic rules

[Bundas]

Corresponding Issue(s):

What Would You Like to Add/Fix?

https://github.com/cssinjs/jss/issues/1635

Todo

• [ ] Add test(s) that verify the modified behavior
• [ ] Add documentation if it changes public API

Expectations on Changes

Changelog

[ernestostifano]

Hi @Bundas, just wanted to know if there are any updates about this. Can I help in some way? Cheers