I can't save filters "As Global"

I am trying to save some filters as global but the “Is Global” checkbox is grayed out, it doesn’t allow me to check it. I’ve tried this as an administrator. Also, I’ve found a frappe JS file (link below) where this is supposed to be configured in a way that only administrator and system manager are allowed to use “Is Global”. I don’t understand why this is not working.

@ronche90 This should resolve the issue.