Parameterize the booking widget load

[sselvara]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

Fix #118

Test URLs:

• Before: https://main--airindia--hlxsites.hlx.live/in/en/book/special-offers/global-connectivity
• After: https://118-booking-lazy--airindia--hlxsites.hlx.live/in/en/book/special-offers/global-connectivity

https://118-booking-lazy--airindia--hlxsites.hlx.live/in/en/book/special-offers/global-connectivity?booking=lazy

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Commits

* [450cacd](https://github.com/hlxsites/airindia/commit/450cacdb1804bf8a7b92b95d28e51d4437774c31) :white_check_mark: (latest)

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Page	Scores	Audits	Google
/in/en/book/special-offers/global-connectivity
/in/en/book/special-offers/global-connectivity?booking=lazy