Edit Rack Type
When you change a rack type in the global catalog, it doesn't affect rack types that have already been embedded into templates (or blueprints that were created from those templates). If your intent is for a template to use a modified rack type, then after editing the rack type in the global catalog you must edit the template to use it. To change the rack type used in a blueprint, you would edit the rack to replace the rack type with the modified one.