自定义会议接听时摄像头/麦克风开关

- (BOOL)isOpenMicrophoneIncoming;

/// 被邀入会时是否打开麦克风
- (BOOL)isOpenMicrophoneIncoming {
    return NO;
}

- (BOOL)isOpenCameraIncoming;

/// 被邀入会时是否打开摄像头
- (BOOL)isOpenCameraIncoming {
    return NO;
}