Change template indentation to 2 spaces (#10289)

packages/flutter_tools/templates/create/ios-objc.tmpl/Runner/main.m

@@ -4,7 +4,6 @@
 
 int main(int argc, char * argv[]) {
   @autoreleasepool {
-        return UIApplicationMain(argc, argv, nil,
-                                 NSStringFromClass([AppDelegate class]));
+    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
   }
 }

packages/flutter_tools/templates/create/ios-swift.tmpl/Runner/AppDelegate.swift

@@ -5,7 +5,8 @@ import Flutter
 @objc class AppDelegate: FlutterAppDelegate {
   override func application(
     _ application: UIApplication,
-        didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+    didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
+  ) -> Bool {
     GeneratedPluginRegistrant.register(with: self);
     return super.application(application, didFinishLaunchingWithOptions: launchOptions);
   }