fix(runtime): 补全 window 对象的关键属性

京东、支付宝小程序没有 global，会导致 React 必须的 Date、setTimeout 对象没有赋值在 global 上。
当 window 没有这些对象时，直接赋值。

packages/taro-runtime/src/bom/window.ts

@@ -26,4 +26,10 @@ if (process.env.TARO_ENV !== 'h5') {
   (window as any).requestAnimationFrame = raf;
   (window as any).cancelAnimationFrame = caf;
   (window as any).getComputedStyle = getComputedStyle
+  if (!('Date' in window)) {
+    (window as any).Date = Date
+  }
+  if (!('setTimeout' in window)) {
+    (window as any).setTimeout = setTimeout
+  }
 }