FTriangleReadOnlyAttributeAdapter

[FTriangleReadOnlyAttributeAdapter](API\Plugins\DynamicMesh\FTriangleReadOnlyAttributeAdapte-) provides a read-only typed interface to Get group IDs per triangle (as typed values instead on integers) using a [TDynamicMeshSingleTriangleAttribute](API\Runtime\GeometryCore\TDynamicMeshSingleTriangleAttrib-) as the actual data storage and ensuring a group ID - AttribValueType value mapping.