A small update is currently tunnelling its way to your hard drive that fixes 2 problems raised in the forums since the last update:
Saving your game on prisons from the Steam Workshop should now work correctly. The "Floor" dropdown box will no longer obscure other menus within the Prison Editor beta once clicked.
Thank you for vigilantly reporting these miscreants in the Report a Problem forum. Now, get back to work - those kitchen meals won't cook themselves.