fixbug:侧边栏收起，鼠标放于2级菜单时，一级菜单图标消失

sky · sky · commit dc5e760013f0 · 2017-12-17T04:07:12.000+08:00
diff --git a/src/style/index.less b/src/style/index.less
@@ -37,6 +37,9 @@
     .ant-menu-submenu-vertical > .ant-menu-submenu-title:after{
       display: none;
     }
+    .ant-menu-dark:not(.ant-menu-inline) .ant-menu-submenu-open {
+      color: inherit;
+    }
   }
   p {
     margin: 10px 0 10px 0;

Original file line number	Diff line number	Diff line change
`@@ -37,6 +37,9 @@`
`37`	`37`	`.ant-menu-submenu-vertical > .ant-menu-submenu-title:after{`
`38`	`38`	`display: none;`
`39`	`39`	`}`
	`40`	`+ .ant-menu-dark:not(.ant-menu-inline) .ant-menu-submenu-open {`
	`41`	`+ color: inherit;`
	`42`	`+ }`
`40`	`43`	`}`
`41`	`44`	`p {`
`42`	`45`	`margin: 10px 0 10px 0;`