The race to be Illinois’ next governor is also a battle among billionaires, including two whose names won’t appear on Tuesday’s primary ballot.Republican candidates Darren Bailey, who as a state lawmaker fought pandemic measures such as mask mandates, and former prosecutor Richard Irvin, the first Black mayor of Chicago’s largest suburb, each has a benefactor who has pushed a different vision for the GOP and put their money behind it.Billionaire businessmen Ken Griffin and Richard Uihlein &mdash …