test(web): expect the normalized ./ image path

apps/web/tests/markdown-images.e2e.ts

@@ -275,7 +275,7 @@ describe('web e2e: Markdown image rendering', () => {
     await page.getByText(`Image preview unavailable · ${join(scaffold.workspaceCwd, 'corrupt.png')}`, { exact: true }).waitFor()
     expect(mediaResponses).toEqual(new Map([
       [join(scaffold.workspaceCwd, 'valid.png'), 200],
-      [`${scaffold.workspaceCwd}/./local-image.png`, 200],
+      [join(scaffold.workspaceCwd, 'local-image.png'), 200],
       [join(scaffold.workspaceCwd, 'test workspace/测试图.png'), 200],
       [join(scaffold.workspaceCwd, 'test workspace/测试#100%.png'), 200],
       [join(scaffold.workspaceCwd, 'oversized.png'), 413],