Celtics notebook: Brad Stevens loves look of his team

Credit: Christopher EvansCHICAGO — Isaiah Thomas generally talks of what a “surreal” season this has been, as his scoring run conjures up all sorts of names from Celtics past.

But when Thomas passed John Havlicek last night with a 29-point performance that gave the Celtics guard a franchise record 41st straight game of 20 points or more, he wasn’t in the mood for a sentimental journey.

Not after the Celtics lost on a late whistle by referee Zach Zarba that sent Chicago’s Jimmy Butler to the line with nine-tenths of a second left to seal a 104-103 win.

“That don’t mean nothing,” said Thomas, who flew to New Orleans after the game for his second straight All-Star appearance. “That don’t mean…