OTTAWA — Top bureaucratic advisors to Prime Minister Justin Trudeau and Finance Minister Chrystia Freeland will testify at the inquiry into the federal Liberal government’s unprecedented use of the Emergencies Act Thursday. Freeland’s department drafted extraordinary financial measures that were later levied against organizers of the so-called “Freedom Convoy” protests, freezing bank accounts and other assets in an effort, the government said, to cut off the funds fueling what had turned into a three-week protest on Parliament Hill, and border blockades elsewhere. The inquiry led by Justice Paul Rouleau that is probing the government’s decision to invoke the act will...