If you don’t have a T-shirt that says “I survived Patricia’s sunset cocktails,” what are you even doing? You could also get yourself a notebook with “Are you mad at something I said?” scrawled on the cover in wonky handwriting, or a tote bag with “Sorry, forgot my purse” on the front. All that merch is unauthorized too — that’s how huge the fan following is for ‘Widow’s Bay,’ the Apple TV comedy series sleeper hit that’s set the Emmy polls on fire. With rip-roaring storytelling, authentic East Coast vibes and a cast — led by the left-field comedic talents of Matthew Rhys — here’s something special that we didn’t know we all needed. Deadline sat down with creator-showrunner Katie Dippold, executive producer/director Hiro Murai and some ‘Widow’s Bay’ inhabitants to find out how the [Vienna] sausage is made…