Change template indentation to 2 spaces (#10289)

diff --git a/packages/flutter_tools/templates/create/ios-objc.tmpl/Runner/main.m b/packages/flutter_tools/templates/create/ios-objc.tmpl/Runner/main.m
index 1bdb8e2..0ccc450 100644
--- a/packages/flutter_tools/templates/create/ios-objc.tmpl/Runner/main.m
+++ b/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]));
+  }
 }

diff --git a/packages/flutter_tools/templates/create/ios-swift.tmpl/Runner/AppDelegate.swift b/packages/flutter_tools/templates/create/ios-swift.tmpl/Runner/AppDelegate.swift
index 9e065d6..d5b31c6 100644
--- a/packages/flutter_tools/templates/create/ios-swift.tmpl/Runner/AppDelegate.swift
+++ b/packages/flutter_tools/templates/create/ios-swift.tmpl/Runner/AppDelegate.swift

@@ -3,10 +3,11 @@
 
 @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);
+  }
 }

diff --git a/packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/SwiftpluginClass.swift.tmpl b/packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/SwiftpluginClass.swift.tmpl
index ad44e55..f265b51 100644
--- a/packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/SwiftpluginClass.swift.tmpl
+++ b/packages/flutter_tools/templates/plugin/ios-swift.tmpl/Classes/SwiftpluginClass.swift.tmpl

@@ -2,13 +2,13 @@
 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);
-    }
-}
\ No newline at end of file
+  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+    result("iOS " + UIDevice.current.systemVersion);
+  }
+}