[Feature]When listing all test cases, mark whether the use case is skip or not

[jiawen94]

Hi, playwright developers.
When I use command line npx playwright test *** --project *** --list or vscode TEST EXPOLOER to list all cases, It shows all cases, whether skipped or not
Is it better to show all cases, mark the case skip or not? Group it by skip or not.

my code snippet:

test(`my test `, async ({ context }) => {
    test.skip(skipTest, 'skip the test case when skipTest is true');
      ...

[mxschmitt]

Folding into #28709.