Texture and Material are not generated as children while creating Editable Copy of the font.

Steps to repro:
1. Open attached project > Select "Smart" font from the Project view.
2. From the inspector change "Character" to ASCII default set > Hit Apply.
3. Click on cogwheel > Create Editable Copy.
4. Observe that in the project view, Smart_copy material and Smart_copy texture files generated outside the Smart_copy.ttf.

Expected Result:
Texture and Material should be generated as the child of Font.

Occurring in:
2018.1.0b9,2017.3.0f3, 2017.2.1p2, 2017.1.3p1.

Environment:
Occurring on Windows & MAC.