Resolve "ActionController::RespondToMismatchError in wiki controller"

What does this MR do?

This MR swaps the order of format.any and format.html to prevent a 500 error from being thrown. The root cause of this behavior is how Rails handles a request with the Accept: */* header. See this comment on an upstream Rails issue for more details.

Does this MR meet the acceptance criteria?

Conformity

• 📋 Does this MR need a changelog?
  • I have included a changelog entry.
  • I have not included a changelog entry because _____.
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Related to #235479 (closed)