Fix: add handler on getSiteFromHostName for lower envi and cf dev envi

[jjjaspher]

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 https://github.com/hlxsites/accenture-newsroom/issues/506

• https://github.com/hlxsites/accenture-newsroom/issues/506

Test URLs:

• Before: https://main--accenture-newsroom--hlxsites.hlx.page/
• After: https://hostname--accenture-newsroom--hlxsites.hlx.page/

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Commits

* [78629b5](https://github.com/hlxsites/accenture-newsroom/pull/507/commits/78629b53faea62c5046e637b63e29d423df17683) :white_check_mark: (latest) * [218cc5a](https://github.com/hlxsites/accenture-newsroom/pull/507/commits/218cc5a698303ec998386b356fcdf5c0a786394e) :white_check_mark: * [9482555](https://github.com/hlxsites/accenture-newsroom/pull/507/commits/9482555d28434d64878712b2f9c08f44e2df3de3) :white_check_mark: * [80344b8](https://github.com/hlxsites/accenture-newsroom/pull/507/commits/80344b8697d8e671786906b69327e4bfbd6b3a35) :white_check_mark:

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