Fixed dietary restrictions not immediately applying to menu

The vegetarian/vegan/no beef/no pork toggles will now immediately update the menu listing as intended.

RIT Dining/Data/MenuDietaryRestrictionsModel.swift

@@ -9,8 +9,29 @@ import SwiftUI
 
 class MenuDietaryRestrictionsModel: ObservableObject {
     var dietaryRestrictions = DietaryRestrictions()
-    @AppStorage("isVegetarian") var isVegetarian: Bool = false
-    @AppStorage("isVegan") var isVegan: Bool = false
-    @AppStorage("noBeef") var noBeef: Bool = false
-    @AppStorage("noPork") var noPork: Bool = false
+    
+    // I thought these could be @AppStorage keys but apparently not, because SwiftUI would subscribe to updates from those if
+    // they aren't being used directly inside the view.
+    @Published var isVegetarian: Bool {
+        didSet { UserDefaults.standard.set(isVegetarian, forKey: "isVegetarian") }
+    }
+
+    @Published var isVegan: Bool {
+        didSet { UserDefaults.standard.set(isVegan, forKey: "isVegan") }
+    }
+
+    @Published var noBeef: Bool {
+        didSet { UserDefaults.standard.set(noBeef, forKey: "noBeef") }
+    }
+
+    @Published var noPork: Bool {
+        didSet { UserDefaults.standard.set(noPork, forKey: "noPork") }
+    }
+
+    init() {
+        self.isVegetarian = UserDefaults.standard.bool(forKey: "isVegetarian")
+        self.isVegan = UserDefaults.standard.bool(forKey: "isVegan")
+        self.noBeef = UserDefaults.standard.bool(forKey: "noBeef")
+        self.noPork = UserDefaults.standard.bool(forKey: "noPork")
+    }
 }