Link fixing following site renames

Issue Summary

Following a site rename (Change your product and site URL), some content referring to the old URL will not be updated. It is noted that links will appropriately redirect.

Steps to Reproduce

1. Create site aaa.atlassian.net
2. Create content containing absolute links in
   • Jira issue description/comment/custom field value
   • Confluence pages/blog posts/comments
3. Examples include:
   • Jira issue links - https://aaa.atlassian.net/browse/DEV-123
   • Confluence page links - https://aaa.atlassian.net/wiki/spaces/TEAM/pages/1633051/About+The+Team
4. Rename the site following Change your product and site URL

Jira links may appear in both Jira and Confluence; Confluence links may appear in both Jira and Confluence.

Expected Results

Absolute links are updated to reflect the new URL.

Actual Results

No content updates are made, noting that links will redirect correctly.