fixup! Sample app: make building in Xcode 11.7 possible

.swiftformat

@@ -4,6 +4,8 @@
 
 --exclude **/*_Vendor.swift
 
+--ifdef no-indent
+
 # Rules inferred from Swift Standard Library:
 --disable anyObjectProtocol, wrapMultilineStatementBraces
 --indent 4

Sample_v3/LoginViewController.swift

@@ -108,21 +108,21 @@ extension LoginViewController {
             }
         case swiftUICell:
             #if swift(>=5.3)
-                if #available(iOS 14, *) {
-                    // Ideally, we'd pass the `Client` instance as the environment object and create the list controller later.
-                    UIView.transition(with: self.view.window!, duration: 0.5, options: .transitionFlipFromLeft, animations: {
-                        self.view.window?.rootViewController = UIHostingController(
-                            rootView:
-                            NavigationView {
-                                ChannelListView(channelList: channelListController.observableObject)
-                            }
-                        )
-                    })
-                } else {
-                    alert(title: "iOS 14 required", message: "You need iOS 14 to run this sample.")
-                }
+            if #available(iOS 14, *) {
+                // Ideally, we'd pass the `Client` instance as the environment object and create the list controller later.
+                UIView.transition(with: self.view.window!, duration: 0.5, options: .transitionFlipFromLeft, animations: {
+                    self.view.window?.rootViewController = UIHostingController(
+                        rootView:
+                        NavigationView {
+                            ChannelListView(channelList: channelListController.observableObject)
+                        }
+                    )
+                })
+            } else {
+                alert(title: "iOS 14 required", message: "You need iOS 14 to run this sample.")
+            }
             #else
-                alert(title: "Swift 5.3 required", message: "The app needs to be compiled with Swift 5.3 or above.")
+            alert(title: "Swift 5.3 required", message: "The app needs to be compiled with Swift 5.3 or above.")
             #endif
         default:
             return