Unexplained filings are piling up in Judge Aileen Cannon’s courtroom — and no one seems to know exactly what’s going on. The strange “secret docket” measures, relating to former President Donald Trump’s Mar-a-Lago classified documents case, were flagged on Thursday by Lawfare’s Roger Parloff. “Undocketed filings in US v Trump (M-a-L) are stacking up. Yesterday the govt sought permission to file a surreply relating to a reply that isn’t docketed yet, which related to a response that isn’t docketed yet, which related to a motion that isn’t docketed yet,” wrote Parloff. ALSO READ: A neuroscientis…