By Mikey O'Connell TV Features Editor Throughout his years of development, Connor Hines was concerned that nobody was even going to notice his passion project. Then, last summer, test shots of stars Paul Anthony Kelly as John F. Kennedy Jr. and Sarah Pidgeon as Carolyn Bessette became an Instagram lightning rod, and he realized that attention wasn’t going to be an issue. Over its first six episodes, FX’s Love Story has captivated and divided viewers — with debates about historical accuracy, the treatment certain still-living figures have received and, still, the clothing. As a first-time showrunner who’d been fascinated by Bessette and Kennedy long before Ryan Murphy announced plans for their TV treatment, he seems to still be processing his show’s outsized role at the watercooler. “I put it on my bucket list and assumed that I would not be able to write it until much later in my career,” says Hines.…