Fixed missing grocery list icon in iOS versions 16 and under

Nextcloud Cookbook iOS Client.xcodeproj/project.pbxproj

@@ -738,7 +738,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
 				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 1.8.0;
+				MARKETING_VERSION = 1.8.1;
 				PRODUCT_BUNDLE_IDENTIFIER = "VincentMeilinger.Nextcloud-Cookbook-iOS-Client";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = auto;
@@ -781,7 +781,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
 				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 1.8.0;
+				MARKETING_VERSION = 1.8.1;
 				PRODUCT_BUNDLE_IDENTIFIER = "VincentMeilinger.Nextcloud-Cookbook-iOS-Client";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = auto;

Nextcloud Cookbook iOS Client/Views/MainView.swift

@@ -40,7 +40,11 @@ struct MainView: View {
             GroceryListTabView()
                 .environmentObject(groceryList)
                 .tabItem {
+                    if #available(iOS 17.0, *) {
                         Label("Grocery List", systemImage: "storefront")
+                    } else {
+                        Label("Grocery List", systemImage: "heart.text.square")
+                    }
                 }
                 .tag(Tab.groceryList)
         }

Nextcloud Cookbook iOS Client/Views/Recipes/RecipeDetailView.swift

@@ -377,7 +377,11 @@ fileprivate struct RecipeIngredientSection: View {
                         }
                     }
                 } label: {
+                    if #available(iOS 17.0, *) {
                         Image(systemName: "storefront")
+                    } else {
+                        Image(systemName: "heart.text.square")
+                    }
                 }
             }
             
@@ -423,8 +427,14 @@ fileprivate struct IngredientListItem: View {
     var body: some View {
         HStack(alignment: .top) {
             if groceryList.containsItem(at: recipeId, item: ingredient) {
+                if #available(iOS 17.0, *) {
                     Image(systemName: "storefront")
                         .foregroundStyle(Color.green)
+                } else {
+                    Image(systemName: "heart.text.square")
+                        .foregroundStyle(Color.green)
+                }
+                    
             } else if isSelected {
                 Image(systemName: "checkmark.circle")
             } else {