A federal judge handed former President Donald Trump a loss Monday by rejecting his motion to dismiss a number of charges in the Mar-a-Lago secret documents case. But the right-wing jurist found a way to slip a small piece of help to Trump in the decision, wrote legal expert Lisa Rubin in a thread on X. Cannon, herself a Trump appointee, has repeatedly come under fire for skewing the trial toward Trump, including postponing the trial well past the date of the November election with the justification there were too many pretrial disputes to sort through after she herself sat on those disputes f…