SYDNEY—New South Wales (NSW) Labor Opposition Leader Jodi McKay has downplayed suggestions that she faces a leadership spill after two MPs resigned from her shadow cabinet this week. This comes after a staffer from the deputy leader’s office distributed to the press a “dirt dossier” on NSW Labor’s Transport spokesman Chriss Minns, who is considered a potential contender for the leadership. Minns, who previously lost a challenge for the leadership to McKay in 2019, resigned on Tuesday. “I’m obviously very disappointed by news reports yesterday that a dirt dossier was distributed by the Deputy Leader of the Labor Party’s office,” Minns wrote in a statement. “In the last 24 hours, I have not received any communication or explanation from the Leader, or the Deputy Leader, as to how or why this was done. “As a result, my position in the Shadow Cabinet is untenable, and I will resign effective immediately. I will …