message: ASA coloring wrong after removing part of a chain
diff: @@ -101,9 +101,8 @@ namespace AccessibleSurfaceArea {
  }
  export function getValue(location: StructureElement.Location, accessibleSurfaceArea: AccessibleSurfaceArea) {
  - const { getSerialIndex } = location.structure.root.serialMapping;
  const { area, serialResidueIndex } = accessibleSurfaceArea;
  - const rSI = serialResidueIndex[getSerialIndex(location.unit, location.element)];
  + const rSI = serialResidueIndex[location.element];
  if (rSI === -1) return -1;
  return area[rSI];
  }
  