Steps #1:

1. Start creating Folder.
2. In Short description field(RTE) change style to formatted.
3. Type some text.
4. Try to type some text in Description field(RTE).

Result: User cannot switch to any other field. https://recordit.co/PrQQpIhcLu

Steps #2:

1. Start creating Folder.
2. In Short description field(RTE) type some text.
3. Change style to formatted.
4. Type some text in Description field(RTE).
5. Change style to formatted.
6. Click on typed text.
7. In Short description field(RTE) click on typed text.

Result: Two toolbars are open, user is typing in 2 fields at the same time. https://recordit.co/OLVJX9zGmD