chore(ui,icons,ui-preset,toolbox): Move design system packages to monorepo (#5470)

packages/design-system/ui/setup-test.ts

@@ -0,0 +1,14 @@
+import "@testing-library/jest-dom"
+import { JSDOM } from "jsdom"
+import ResizeObserver from "resize-observer-polyfill"
+
+const { window } = new JSDOM()
+
+window.ResizeObserver = ResizeObserver
+global.ResizeObserver = ResizeObserver
+window.Element.prototype.scrollTo = () => {
+  // no-op
+}
+window.requestAnimationFrame = (cb) => setTimeout(cb, 1000 / 60)
+
+Object.assign(global, { window, document: window.document })