修复菜单管理选择图标，backspace删除时不过滤数据

RuoYi

2020-06-03 c861b78f80f46d757085aa70dac508257f6a25dc

 ruoyi-ui/src/layout/components/Sidebar/index.vue

@@ -13,8 +13,8 @@
                mode="vertical"

            >

                <sidebar-item

                    v-for="route in permission_routes"

                    :key="route.path"

                    v-for="(route, index) in permission_routes"

                    :key="route.path  + index"

                    :item="route"

                    :base-path="route.path"

                />