fix(微信登录): 将登录失败回调参数从int改为string

修改登录失败回调参数类型，从整型改为字符串类型，以便传递更详细的错误信息

Author: AlianBlank

Runtime/IWeChatLoginManager.cs

@@ -53,7 +53,7 @@ public interface IWeChatLoginManager
         /// <param name="loginSuccess">登录成功回调,返回登录信息</param>
         /// <param name="loginFail">登录失败回调,返回错误码</param>
         [UnityEngine.Scripting.Preserve]
-        void Login(Action<WeChatLoginSuccess> loginSuccess, Action<int> loginFail);
+        void Login(Action<WeChatLoginSuccess> loginSuccess, Action<string> loginFail);
 
         /// <summary>
         /// 退出账号登录

Runtime/WeChatLoginComponent.cs

@@ -89,7 +89,7 @@ public void Init()
         /// <param name="loginSuccess">登录成功回调</param>
         /// <param name="loginFail">登录失败回调</param>
         [UnityEngine.Scripting.Preserve]
-        public void Login(Action<WeChatLoginSuccess> loginSuccess, Action<int> loginFail)
+        public void Login(Action<WeChatLoginSuccess> loginSuccess, Action<string> loginFail)
         {
             _weChatLoginManager.Login(loginSuccess, loginFail);
         }

Runtime/WeChatLoginManager.cs

@@ -106,7 +106,7 @@ private void OnAuthEventArgs(object sender, GameEventArgs e)
                 }
                 else
                 {
-                    _loginFail?.Invoke((int)eventArgs.State);
+                    _loginFail?.Invoke(eventArgs.State.ToString());
                 }
             }
         }
@@ -153,10 +153,10 @@ private void Success()
         }
 
         private Action<WeChatLoginSuccess> _loginSuccess;
-        private Action<int> _loginFail;
+        private Action<string> _loginFail;
 
         [UnityEngine.Scripting.Preserve]
-        public void Login(Action<WeChatLoginSuccess> loginSuccess, Action<int> loginFail)
+        public void Login(Action<WeChatLoginSuccess> loginSuccess, Action<string> loginFail)
         {
             _loginSuccess = loginSuccess;
             _loginFail = loginFail;