selectedFlatRows keeps changing, triggering effects dependent on it

[burtyish]

Describe the bug
selectedFlatRows keeps changing, triggering effects dependent on it.

To Reproduce
Set up an effect dependent on selectedFlatRows. See codesandbox below.

Expected behavior
selectedFlatRows should only change when row selection changes.

Codesandbox!
In the codesandbox below, open the console and then switch the version of react-table from beta.16 to rc.5.
You will see endless logging and eventually reach maximum callstack.
https://codesandbox.io/s/zealous-moore-7zxyr

Screenshots
N/A

Desktop (please complete the following information):

• OS: MacOS
• Browser: Chrome
  react-table version rc.5

Additional context
Add any other context about the problem here.

P.S.
Possibly related to #1739?

[tannerlinsley]

Make sure you're using the latest release candidate version of React Table. This issue was solved in a version after the one you are using. If you keep having issues, please comment to reopen.