useTableState was an early and hasty abstraction that hasn't proved useful in many ways. Anything
you could do with useTableState, you could easily do using the same options (assuming they exist) in
the useTable hook. For this reason, state is now a first class citizen of the useTable hook, along
with more sane properties and option locations for anything pertaining to state.
* Sub rows are selected if the parent row is selected.
* Parent rows are updated accordingly if a subRow is selected.
* Updated useRowSelect snapshot tests to test subRow selection.
tannerlinsley