[StatefulTable] hasSingleNestedHierarchy prop does not work

[gdimitrov2]

<>
      <StatefulTable
        id="assetAnalysisSummaryTable"
        columns={columns}
        data={tableData || []}
        options={{
          hasRowNesting: { hasSingleNestedHierarchy: true },
          hasRowSelection: "multi",
        }}
      />
    </>

Sandbox with an example: https://codesandbox.io/s/nostalgic-curie-n6o3fu