On a recent Friday at the Old Oakland Farmers’ Market, one stall kept people lingering for longer than usual among the rows of vendors offering produce and food. At a table decorated with a large zoning map and a wooden outline of Oakland’s skyscrapers, those who stopped weren’t there to buy but to share their opinion about the state of downtown. The Oaklandside is partnering with Oakland North and Oakland Lowdown to examine what’s working well and what isn’t for…