Former White House aide Hope Hicks was set to testify to the congressional Jan. 6 committee on Tuesday. The long-serving adviser to former President Donald Trump will sit for a transcribed deposition with the panel, which is still gathering evidence about the attack on the Capitol after its expected last public hearing earlier this month. Hicks, 34, served as a high-level aide to Trump as he sought to overturn his loss to President Joe Biden in the 2020 election. But she reportedly candidly told Trump that he had actually lost the election and mostly stayed out of the public eye during the tum…