solve issue #2707 (software skinning requires mesh normals)#2708

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stephengold wants to merge 2 commits intomasterfrom

sgold/issue/2707

Commits on Apr 13, 2026

SkinningControl: add null checks for issue #2707 (SW skin w/o normals)
stephengold
committed

Commits on Apr 14, 2026

SkinningControl: correctly handle hypothetical nb!=null && fnb==null
stephengold
committed