The Canadian Press A future Conservative government would continue to support a ban on the use of replacement workers at federally regulated workplaces during a strike, leader Pierre Poilievre’s office said Tuesday. The legislation, which is on its way to becoming law after passing in the Senate late on Monday, was a key element of the Liberals’ political pact with the New Democrats. It earned unanimous support in the House of Commons after Poilievre’s Conservatives decided to back it. Poilievre has been pitching his party as the one for the working class, despite leaders of organized labour taking aim at his record in Parliament. They point out that he supported back-to-work legislation the last time the Conservatives were in power and at one point advocated for employees to be allowed…