项目所需图标，部分样式更改，部分逻辑修改，配置文件修改

shuishen

2021-06-08 5ba3dff421a0beb491ee88975f74cb85ead475ef

1
.claro .dijitTitlePaneRtl .dijitClosed .dijitArrowNode,.claro .dijitFieldsetRtl .dijitFieldsetTitleClosed .dijitArrowNode {background-position: -7px 0;}