The Democratic party swiftly made Kamala Harris its new presidential nominee official with the Federal Election Commission, according to new filings Sunday. President Joe Biden announced he was dropping out of the presidential race and endorsed his vice president for the Democratic presidential nomination on Sunday afternoon, a month before the Democratic National Convention is scheduled to take place in Chicago. The Biden for President campaign committee changed its name to Harris for President on Sunday afternoon with a new statement of organization. It listed a new campaign URL, KamalaHarri…