Danielle Turchiano Senior Features Editor, TVSPOILER ALERT: Do not read if you have not yet watched the fourth season of “Search Party,” streaming now on HBO Max.As “Search Party” creators and executive producers Sarah-Violet Bliss and Charles Rogers worked on evolving their dark comedy season over season, they always wanted to find a new way to focus on how “fractured and extreme” some people’s psyches can be, as Rogers puts it.Starting with Dory’s (Alia Shawkat) wishful thinking that she