Texture 2D array not accessible in Editor Utilities

One of the Best things for Bigger objects are Texture 2D arrays.
Sadly those are also one of the most annoying things to set up.
They are Buggy, often have to recreat them to make Mip maps work etc.
So i wanted to creat a Utility so i can set them up easily.
Sadly the editor utility widget doest give us access to the textures inside.
Could this please be added?