AsciiDoc: Add support for built-in alignment roles.

~S4 frontend asciidoc

What does this MR do?

Add support for built-in alignment roles such as [.text-center] in AsciiDoc files.

Closes #218891 (closed).

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Code review guidelines
• Merge request performance guidelines
• Style guides

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