Change template indentation to 2 spaces (#10289)

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

@@ -3,8 +3,7 @@
 #import "AppDelegate.h"
 
 int main(int argc, char * argv[]) {
-    @autoreleasepool {
-        return UIApplicationMain(argc, argv, nil,
-                                 NSStringFromClass([AppDelegate class]));
-    }
+  @autoreleasepool {
+    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+  }
 }

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

@@ -3,10 +3,11 @@ import Flutter
 
 @UIApplicationMain
 @objc class AppDelegate: FlutterAppDelegate {
-    override func application(
-        _ application: UIApplication,
-        didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
-        GeneratedPluginRegistrant.register(with: self);
-        return super.application(application, didFinishLaunchingWithOptions: launchOptions);
-    }
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
+  ) -> Bool {
+    GeneratedPluginRegistrant.register(with: self);
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions);
+  }
 }

packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/SwiftpluginClass.swift.tmpl

@@ -2,13 +2,13 @@ import Flutter
 import UIKit
     
 public class Swift{{pluginClass}}: NSObject, FlutterPlugin {
-    public static func register(with registrar: FlutterPluginRegistrar) {
-        let channel = FlutterMethodChannel(name: "{{projectName}}", binaryMessenger: registrar.messenger());
-        let instance = Swift{{pluginClass}}();
-        registrar.addMethodCallDelegate(instance, channel: channel);
-    }
+  public static func register(with registrar: FlutterPluginRegistrar) {
+    let channel = FlutterMethodChannel(name: "{{projectName}}", binaryMessenger: registrar.messenger());
+    let instance = Swift{{pluginClass}}();
+    registrar.addMethodCallDelegate(instance, channel: channel);
+  }
 
-    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
-        result("iOS " + UIDevice.current.systemVersion);
-    }
-}
+  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+    result("iOS " + UIDevice.current.systemVersion);
+  }
+}
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