Workers at an Amazon warehouse on Staten Island voted to form the first U.S. union in the mammoth multinational company’s history, according to a count of the historic labor election completed Friday. The final vote in the election was 2,654 to 2,131, according to the tally, which was completed at a National Labor Relations Board office in downtown Brooklyn on Friday afternoon. The remarkable result followed a unionization push led by Christian Smalls, a fired Amazon worker who objected to the 27-year-old company’s COVID protocols. Smalls led the recently created Amazon Labor Union to a stunni…