Alias property of type float is not shown in exposed custom properties

Steps to reproduce:

• Import the attached Box 3D model to a project
• Add it to scene
• Go inside the 3D component file
• Select node in Navigator
• Click + in Properties view - Local custom properties
• Select type "alias" -> Add property
• Set it to some property of type float, e.g defaultMaterial_material.roughness
• Return to Sceen01.ui.qml file
• Select box from Navigator
• -> added custom property is not seen under Exposed custom properties in Properties view