Vector 2D/3D/4D are not shown in exposed custom properties

Steps to reproduce:

• Import some 3D asset to a project
• Add it to scene
• Go inside the 3D component file
• Add new local custom properties of type Vector 2D, Vector 3D and Vector 4D
• Save changes and go back to Screen01.ui.qml file
• Select 3D asset from Navigator
• -> In Properties view, custom properties are not shown under exposed custom properties as they should be
• Regression to 4.7.1