兼容海康不规范的xml，大幅度提高通道分页查询速度，优化节点的保活。

648540858

2022-02-20 5bcd8495e03b08ff417f74f816d20e028f9b1fe0

 web_src/src/components/dialog/jessibuca.vue

@@ -78,7 +78,7 @@
          this.jessibuca = new window.Jessibuca(Object.assign(
            {
              container: this.$refs.container,
              videoBuffer: 0.5, // 最大缓冲时长，单位秒
              videoBuffer: 0.2, // 最大缓冲时长，单位秒
              isResize: true,
              isFlv: true,
              decoder: "./static/js/jessibuca/index.js",