Add the option to make a fragment be normal again
(Perhaps)In the fragments editor, there is an "X"-type button that make the selected fragment part of the normal slide.
All clicks on elements in the fragment editor toggle fragments on/off. So if you want to return an element to its “normal” state again you just need to click on it.
The above poster has a point, though - UX on this is not as intuitive as most of the other things on the platform. An 'x' or similar would make it more clear how to remove the fragment tag from an element.