Steps to reproduce:
- Log in to back office.
- Go to Content / Content structure.
- Create a new content with richtext field e.g Article.
- Add 2 custom tags (twitter and facebook) in field 'Body'.
- Try to edit previously added custom tags.
Watch gif please: https://recordit.co/PFzsjty4Mg
After clicking/selecting custom tag in field body user cannot edit custom tag (the bar with options doesn't appear).
User can edit custom tags.