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menu key对switch的子页面没有配置menu时取父菜单配置

首次匹配终止循环，提高性能并避免被二次匹配覆盖

the property colors?: string[] was missing in the typescript definitions

 "react-loadable" should not be DEV dependencies because it be used in "src/common/router.js"

By watching TimelineChart Example:
[Charts Demo](https://pro.ant.design/components/Charts#scaffold-src-components-Charts-demo-mini-area)

```javascript
const chartData = [];
for (let i = 0; i < 20; i += 1) {
  chartData.push({
    x: (new Date().getTime()) + (1000 * 60 * 30 * i),
    y1: Math.floor(Math.random() * 100) + 1000,
    y2: Math.floor(Math.random() * 100) + 10,
  });
}
```

1. X-Axis (Timeline): The type should be like `number`.
2. Y-Axis (Value): The y2 may not be required if I just want to draw y1 only.

对`PageHeader`中的`tabList`展示逻辑做了更新，原本的实现会在外部传入一个空数组`tabList`时展现一个0出来（`tabList.length`的返回值）