互斥工具飞行，添加动画实体

liuyg

2021-06-19 c2a0f87ace207301984c1b305444cc019616af5a

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