Missing sites return an ItemNotFound error code, which we aren't currently handling when doing queries for individual sites. This change catches that error code and stacks the error with a resourceOwnerNotFound sentinel. --- #### Does this PR need a docs update or release note? - [x] ⛔ No #### Type of change - [x] 🐛 Bugfix #### Test Plan - [x] 💪 Manual - [x] 💚 E2E