Properly handle Get(Id3) in ArrayPortalCheck
Previously, the ArrayPortalCheck wrapper did not allow access to the superclass' Get for 3D indices. This solves that problem and also fixes it for Set (assuming there is ever an instance of that).
Previously, the ArrayPortalCheck wrapper did not allow access to the superclass' Get for 3D indices. This solves that problem and also fixes it for Set (assuming there is ever an instance of that).