The merger between a Miami-based investment company and former President Donald Trump’s media firm remained uncertain Monday, when a critical shareholder vote on a deadline extension was put on hold. Patrick Orlando, CEO and chairman of Digital World Acquisition Corp., said he delayed the vote until Nov. 3 so stockholders in the publicly traded company have more time to consider a year-long extension that would allow more time for federal regulators to review the merger with Trump Media & Technology Group. The regulatory extension is considered crucial to Trump’s goal to create a Florida-based…