Do not throw an error when observing half-built <li>s in bb.on_posts_modified()
Do not throw an error when observing half-built <li>s in bb.on_posts_modified()

andrew-sayers--frontier-forums/frontier-forums-moderation-tools,andrew-sayers--frontier-forums/frontier-forums-moderation-tools,andrew-sayers--frontier-forums/frontier-forums-moderation-tools,andrew-sayers--frontier-forums/frontier-forums-moderation-tools