Residents in Heron Bay are pushing back against a proposed overhaul of rental rules at the community's master HOA, which governs more than 3,100 homes in South Florida. Those objecting to the plan say it would narrow owners' ability to lease their properties, add burdens for landlords, and open the door to uneven treatment of tenants. Here's what to know A vote is expected on a new set of leasing-related rules being considered by Heron Bay's mas…