Youtube shared videos playwright tests

[mudhoney]

• Playwright tests for below scenarios

Recently shared youtube videos should be rendered correctly with correct link and title
If there is no youtube movies then there should be a friendly message
Youtube movies around observation date should be rendered correctly
If there is no youtube movies around observation date then there should be a friendly message
Youtube movies around observation date should show markers if the 'show in viewport' checkbox is checked
Youtube observation date videos should be updated with the observation date change

• Fixed a bug for showing friendly message when there is no videos around given observation date