v3.16.1

Changelog

• Fixed: Fix author mapped to user error when adding new author, #626;
• Fixed: Fix test for checking the author link in the frontend;
• Fixed: Fix Undefined array key "tag-name" when bulk delete all authors, #628;
• Fixed: Fix Fatal error when "Create missed post authors" button is clicked, #623;
• Fixed: Fix author profile allowing to add html tags in the bio text, #619;