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

1
.claro .dijitTreeRtl .dijitTreeExpandoLoading {background-image: url("../../icons/images/loadingAnimation_rtl.gif"); background-position: 100% 0;}