2021-10-28 1.更新SDK，新增talkType参数

JLChen

2021-10-28 e96683081abd5c1a94608dd33d092d8f45371cd6

 iOS/Xamarin/LCSDKOnXamarin/LCSDKOnXamarin/LCOnIntercomViewController.m

@@ -665,7 +665,8 @@
        param.psk =  [[LCApiKit sharedInstance] currentPsk];
        /** 7. 设置播放密钥，非必传，传了会提升拉流速度 */
        param.playToken = [[LCApiKit sharedInstance] currentDevicePlayToken];;
        
        /** 8. 对讲请求类型，call呼叫，如果不传，默认为talk */
        param.talkType = @"call";//2021-10-28 新增
        NSInteger result = [self.talker playTalk:param];
        if (result != 0) {
            //错误处理