Created by: Johann-S
According to our docs: https://getbootstrap.com/docs/4.1/components/tooltips/#options container option accept elements, but it wasn't the case, due to a regression here: https://github.com/twbs/bootstrap/commit/2d90d369bbc2bd2647620246c55cec8c4705e3d0#diff-ed26e07442324b4bfab597bb9bb85201
/CC @XhmikosR