After a lot of searching and experimenting, it all boiled down to removing the "items" element from the "Structure" object in navigation.json. I also made a spelling correction that has no reference elsewhere. I've tested that the Structure entry in the Program Organization navigation sidebar has no expand button.
After a lot of searching and experimenting, it all boiled down to removing the "items" element from the "Structure" object in
navigation.json. I also made a spelling correction that has no reference elsewhere. I've tested that theStructureentry in theProgram Organizationnavigation sidebar has no expand button.