The "Maximize" option from "Description" field is not working on AWM

Steps to reproduce:

1. Select "Text" as your default editor
2. Start creating an app with AWM:
   1. add an app name at Step 1
   2. add some fields at Step 2
   3. go to Step 3 and start writing into the Description field
   4. click on "Maximize" option to see your field in full screen mode
   5. the "Maximize" option is not working