Issue with component from subfolder inside a component

Steps to reproduce:

• Open the attached project
• Go inside MyCone component by double clicking it on Components view
• MyCone component has MySphere component from abc folder. It is seen in Code view but not visible in Components, Navigator or 3D View as it should.
• See attached pictures - one from project storage build and one from non-project storage build to compare.
• If MyCone component is added to user assets / exported as .qdsbundle, then added to another project, component cannot be created. It shows an error "MyCone.ui.qml..."abc":no such directory in Navigator