Replace author_link snake case in stylesheets, specs, and helpers
What does this MR do?
Replaces author_link snake case in stylesheets, specs, and helpers.
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary -
Tests added for this feature/bug - Conforms to the code review guidelines
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Has been reviewed by a UX Designer -
Has been reviewed by a Frontend maintainer
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What are the relevant issue numbers?
Closes #30921 (closed)
Edited by George Tsiolis