图例的修改，目录树调整，图层管理调整，图片更新

shuishen

2021-06-23 9356ddd3554e1ddf8847923d0ce2eceeef8411f0

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//>>built
define(["../_base/declare","../dom-class","./Source"],function(a,b,c){return a("dojo.dnd.Target",c,{constructor:function(){this.isSource=!1;b.remove(this.node,"dojoDndSource")}})});