Bugfix: Follow component social icon CSS class

[defunctl]

What does this do/fix?

• Using the Follow component would not output any social icons because the CSS class names were incorrect.

QA

The icons now show up when using the Follow component:

Tests

Does this have tests?

• [ ] Yes
• [x] No, this doesn't need tests because, well it probably could have used them.
• [ ] No, I need help figuring out how to write the tests.