When the Warriors’ season ended with a play-in loss to the Phoenix Suns on April 17, Kerr walked off the floor and told reporters he’d need a couple of weeks, some honest conversations with Joe Lacob and Mike Dunleavy, and then they’d figure out the next steps. Three weeks of conversations later, he re-signed for two more years. But before the extension talks or the uncertainty cleared, he rounded a corner in the hallway of a hotel and almost wa…