Gov. Kathy Hochul on Wednesday said Long Island Rail Road commuters should plan to work from home if the train service shuts down for a strike. Five unions representing a majority of the LIRR’s workforce could walk off the job as soon as Saturday, as they remain in a stalemate with the MTA over pay raises and work rules. MTA officials last month laid out plans to run shuttle buses to help move Long Island commuters if the rail workers go on strike. Hochul said during a news conference at Jones Beach that the buses can carry “essential workers,” but pointed out they wouldn’t come close to handling the 270,000 riders the LIRR carries each weekday. “I want to be clear that these buses will not be able to replace full Long Island Rail Road service,” she said.…