Add preprocessor for macOS vs iOS import

Shared/PersistenceManager.swift

@@ -1,6 +1,8 @@
 import CoreData
 
-#if os(macOS)
+#if os(iOS)
+import UIKit
+#elseif os(macOS)
 import AppKit
 #endif
 

WFACollection+CoreDataProperties.swift

@@ -17,6 +17,6 @@ extension WFACollection {
 
 }
 
-extension WFACollection : Identifiable {
+extension WFACollection: Identifiable {
 
 }