feat: add ai-is-land (#7259)

tests/affine-local/e2e/ai-land.spec.ts

@@ -0,0 +1,16 @@
+import { test } from '@affine-test/kit/playwright';
+import { openHomePage } from '@affine-test/kit/utils/load-page';
+import {
+  clickNewPageButton,
+  waitForEditorLoad,
+} from '@affine-test/kit/utils/page-logic';
+import { expect } from '@playwright/test';
+
+test('Click ai-land icon', async ({ page }) => {
+  await openHomePage(page);
+  await waitForEditorLoad(page);
+  await clickNewPageButton(page);
+  await page.locator('[data-testid=ai-island]').click();
+
+  await expect(page.locator('chat-panel')).toBeVisible();
+});