Divs and classes are removed on quill setContents

[Maria0701]

Trying to insert into quill editor semantic html from textarea.

But on save "div" ellements are turned to "p", "ul" to "ol", and classes and styles are removed from the tags.

The bug (or feature) is represented in the codepen https://codepen.io/Maria2/pen/PwYWVKY .
Press code on the toolbar and try to insert semantic html into textarea