fix: screenshots every session for easy debugging

[kobenguyent]

Motivation/Description of the PR

• Currently only screenshot of the active session is saved, this PR aims to save the screenshot of every session for easy debugging

Feature('ShadowDom');

Scenario('Input a text in the input box and after search validate one of the book title',  async ({ I }) => {
    I.amOnPage('/')
    I.fillField('#input', 'Science')
    I.pressKey('Enter')
    I.waitForElement('h2[class="title"]')
    await I.seeElementInDOM('h2[class="title"]')

    await session('new session', () => {
        I.amOnPage('https://codecept.io');
        I.see('123');
    })

    await session('another session', () => {
        I.amOnPage('https://google.com');
        I.see('123');
    })
});

  Artifacts:
  - screenshot: /Users/thanh.nguyen/Desktop/codeceptjs-shadow-dom-fun/output/Input_a_text_in_the_input_box_and_after_search_validate_one_of_the_book_title.failed.png
  - new session_screenshot: /Users/thanh.nguyen/Desktop/codeceptjs-shadow-dom-fun/output/new session_Input_a_text_in_the_input_box_and_after_search_validate_one_of_the_book_title.failed.png
  - another session_screenshot: /Users/thanh.nguyen/Desktop/codeceptjs-shadow-dom-fun/output/another session_Input_a_text_in_the_input_box_and_after_search_validate_one_of_the_book_title.failed.png

Applicable helpers:

• Puppeteer
• Playwright

Applicable plugins:

• allure
• screenshotOnFail

Type of change

• 🐛 Bug fix

Checklist:

• Lint checking (Run npm run lint)
• Local tests are passed (Run npm test)

[DavertMik]

This is so cool. Thank you!