WASHINGTON — A former White House stenographer told The Post Friday that they can not recall a single instance of the presidential press office altering a transcript to soften inflammatory or embarrassing remarks — as officials have been accused of doing after President Biden called former President Donald Trump’s voters “garbage” Tuesday night.“I don’t recall this happening ever in my six years as Biden’s vice presidential stenographer,” said Mike McCormick.“Nor did it happen in the one year I served President Trump or the five years I served President [George W.] Bush.What goes in the transcript is what the White House stenographer hears and transcribes.”Late Thursday, the Associated Press reported that the stenographers’ office had complained of “spoliation of transcript integrity” and a “breach of protocol” by the press office after Biden, 81, said on a campaign call with the Voto Latino group that “the only garbage I see floating out there is his [Trump’s] supporters.”The official transcript, however, included an apostrophe on the word “supporter’s,” suggesting that Biden was only attacking comedian Tony Hinchcliffe, who had called Puerto Rico a “floating island of garbage” during a Trump rally at Madison Square Garden Sunday.Traditionally, transcripts of presidential remarks are forwarded to reporters by the press office without correction, with strikethroughs to mark when the commander in chief misspeaks or otherwise noting when his words are unintelligible.The leak of the complaint set off palace intrigue within the West Wing as well as speculation about the identity and motive of the leaker, whom insiders suspect is a political aide rather than a member of the stenographer team, which is known for its professionalism and discretion.Press secretary Karine Jean-Pierre side-stepped the matter when asked aboard Air Force One en route to Philadelphia Friday.“I was asked this question, multiple versions of this q...