fix(test): e2e stability (#14749)

#### PR Dependency Tree


* **PR #14749** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Bug Fixes**
* Improved link preview reliability by updating request identification
to better match modern browsers.
* **Tests**
* Made end-to-end and integration tests deterministic and more robust,
improving AI chat, image generation, attachment handling, settings
visibility, and editor flows.
* **Chores**
* Updated underlying tooling versions to enhance stability and
compatibility.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

tests/affine-cloud-copilot/e2e/insertion/save-as-block.spec.ts

@@ -28,11 +28,10 @@ test.describe('AIInsertion/SaveAsBlock', () => {
 
     const { actions } = await utils.chatPanel.getLatestAssistantMessage(page);
     await actions.saveAsBlock();
+    await page.getByText('Successfully saved chat to a block').waitFor();
 
-    // Switch to edgeless mode
     await utils.editor.isEdgelessMode(page);
 
-    // Verify the ai block is created
     await page.waitForSelector('affine-edgeless-ai-chat');
     const aiBlock = await page.locator('affine-edgeless-ai-chat');
     await expect(aiBlock).toBeVisible();