左侧树状图更改，及部分样式调整

shuishen

2021-06-08 23346a0c7f9eb68a999fab429355a14b592bc2f7

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//>>built
define(["dojo/dom-class","dojo/hccss","dojo/domReady","dojo/_base/window"],function(b,a,c,d){c(function(){a("highcontrast")&&b.add(d.body(),"dijit_a11y")});return a});