Coarse-graining support: Support.Deterministic.MultiscaleQuantitiesBasic.Ellipticity

Imported from the Apache-2.0 CoarseGraining development at commit c7ddd76c08ade64fed1b8d2ca51be14dfee8deb4.

q = 1 multiscale ellipticity API

Compatibility wrapper for the split q = 1 ellipticity development.