Make tiny lightning bolt even tinier

[justinwolfe]

Problem/Feature

We added a tiny lightning bolt but it wasn't tiny enough, so this makes it tinier™

• [ ] A link to the Figma design in your story (list regularly updated here)
• [ ] A link to the Story(ies) in the description
• [ ] Is there a Jira ticket associated?
• [ ] If useful, add screenshots or videos
• [ ] If useful (and unclear), add a little explanation of why a certain path was taken
• [ ] Instructions on how to test
• [ ] Found any restrictions/limitations? Let us know!

Guidelines

Make sure the pull request:

• [ ] Follows the established folder/file structure
• [ ] Adds unit tests
• [ ] If it is a refactor or change to an existing component, have you verified it won't break existing Cypress tests or have you updated them?
• [ ] Did you verify some accessibility (a11y) basics?
• [ ] Adds/updates stories. Guidelines
• [ ] Adds/updates documentation (ie proptypes) Guidelines
• [ ] Has it been tested in Help Scout's supported browsers?
• [ ] Requests review from designer of the feature
• [ ] Add label (bug? feature?)

[justinwolfe]

@luketlancaster tagging you in for a review; I checked with the Blocks folks yesterday and PL said anybody can review these and you are not just anybody but SOMEBODY! The viewbox is def 24X24