fix: rework logic for separating utility classes for video with ratio
fix: rework logic for separating utility classes for video with ratio

(BDS-336)

- Replaces arrays and merges attributes objects and addClass/removeClass
methods.
- Most notably, allows other attributes besides class to be passed to
_video-tag when using ratio.

bolt-design-system/bolt,bolt-design-system/bolt,bolt-design-system/bolt,bolt-design-system/bolt,bolt-design-system/bolt