'Hides/Shows the left zone' button is missing

[dspreadbury]

Yes, it’s been reported before:

Bug in Engrave Options in Dorico 4

Hello Dorico Team. In some proyects that i created in previous versions of Dorico ( 2 , 3,5) in engrave mode in Dorico 4; i can t see the menu that appears in the left part of the screen when i select the icon of a quarter note. (The menu contains options as format systems, move to next and previous system, lock layout, etc) and of course its imposible make important engrave editions in my scores. Its very strange becouse there are scores that i have made in previous versions of Dorico that…