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Hi, re: the SwiftData session "Create an app with SwifData" (https://developer.apple.com/videos/play/wwdc2023/10154) I noted the mention of generating sample preview data. In CoreData, I had a similar need and this was achieved by creating a shared in-memory context; fairly straight forward. The example given for SwiftData was decorated with @MainActor and then added to the target project, then in the #Preview closure, the modelContainer is amended to point to the preview data. Anyways, my problem is that I'm receiving an error when trying to render the preview in question: main actor-isolated let 'previewContainer' can not be referenced from a non-isolated context I suppose my issue is not having used the MainActor wrapper before and being unclear on what's possibly going wrong here (or if it's not just a "me" problem). Can anyone help?