Fix the max-height bug for the expanded Document editor view (#4895)
Fix the max-height bug for the expanded Document editor view (#4895)

* Fix the max-height bug for the expanded Document editor view

Co-authored-by: Joss Mackison <44dd9f346b35ab82e2cc6fef2b5d64761ae4f1ed@gmail.com>
keystonejs/keystone,keystonejs/keystone,keystonejs/keystone