XRENDERING-600: Faulty repeated insertion of 'class="wikiattachmentlink"' by WYSIWYG editing
* Handle wikiattachmentlink the same way we handle wikiinternallink class * Add integration tests to cover the bug
* Handle wikiattachmentlink the same way we handle wikiinternallink class * Add integration tests to cover the bug
mentioned in commit 4521fb2a
·mentioned in commit 4521fb2a
mentioned in commit bb7a2731
·mentioned in commit bb7a2731