MWPW-157423 - [LocUI] Empty spaces in locales configuration

[Sartxi]

Empty space between locales in language config creates blank locale inside the language card. After formatting locales list we will now filter empty strings.

Resolves: MWPW-157423

Test URLs:

• Before: https://main--cc--adobecom.hlx.page/tools/loc?milolibs=locui&ref=main&repo=cc&owner=adobecom&host=www.adobe.com&project=Creative+Cloud&referrer=https%3A%2F%2Fadobe.sharepoint.com%2F%3Ax%3A%2Fr%2Fsites%2Fadobecom%2F_layouts%2F15%2FDoc.aspx%3Fsourcedoc%3D%257B8f453a68-7eff-4a10-954d-feb2371c1d76%257D%26action%3Deditnew
• After: https://main--cc--adobecom.hlx.page/tools/loc?milolibs=sean-loc&ref=main&repo=cc&owner=adobecom&host=www.adobe.com&project=Creative+Cloud&referrer=https%3A%2F%2Fadobe.sharepoint.com%2F%3Ax%3A%2Fr%2Fsites%2Fadobecom%2F_layouts%2F15%2FDoc.aspx%3Fsourcedoc%3D%257B8f453a68-7eff-4a10-954d-feb2371c1d76%257D%26action%3Deditnew

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Commits

• 61e2128 ✅ (latest)