MIAMI — County investigators are making inquiries into a wide array of Miami Mayor Francis Suarez’s private business relationships, according to new records that highlight the broad scope of an ongoing probe into the mayor’s work outside City Hall. The existence of the investigation was first confirmed last May by Miami-Dade State Attorney Katherine Fernández Rundle. She told reporters at the time that her office was working with the Miami-Dade Commission on Ethics and Public Trust to investigate the mayor’s consulting agreement with local developer Rishi Kapoor, who was secretly paying Suarez…