Add refreshable views

Shared/Views/PopularView.swift

@@ -44,6 +44,13 @@ struct PopularView: View {
             resource?.load().onCompletion { _ in
                 refreshControl.endRefreshing()
             }
+            .onFailure { error in
+                NavigationModel.shared.presentAlert(title: "Could not refresh Trending", message: error.userMessage)
+            }
+        }
+        .backport
+        .refreshable {
+            resource?.load()
         }
         .navigationBarTitleDisplayMode(RefreshControl.navigationBarTitleDisplayMode)
         #endif

Shared/Views/SubscriptionsView.swift

@@ -30,6 +30,10 @@ struct SubscriptionsView: View {
                             refreshControl.endRefreshing()
                         }
                     }
+                    .backport
+                    .refreshable {
+                        loadResources(force: true)
+                    }
                 #endif
             }
         }
@@ -79,6 +83,9 @@ struct SubscriptionsView: View {
             request.onCompletion { _ in
                 onCompletion()
             }
+            .onFailure { error in
+                NavigationModel.shared.presentAlert(title: "Could not refresh Subscriptions", message: error.userMessage)
+            }
         } else {
             onCompletion()
         }