iOS: Fix share extension showed app introduction, share extension add cancel button, add browse button to settings

iOSShareExtension/ShareViewController.swift

@@ -7,6 +7,7 @@
 
 import UIKit
 import SwiftUI
+import LUI
 
 class ShareViewController: UIViewController {
     override func viewDidLoad() {
@@ -27,6 +28,9 @@ class ShareViewController: UIViewController {
             }
         })
         
+        // skip introduction for share extension
+        LUISettings.sharedInstance.appLaunchedBefore = true
+        
         // Replace with your app’s SwiftUI entry view
         let contentView = ContentView()