feat(macro): support l10n for NonStandardBadge

[yin1999]

Summary

support localization for {{NonStandardBadge}} macro which is used by {{APIRef}}, {{Non-standard_Inline}}, etc.

Problem

This macro should support l10n. But it won't. (the title is fixed with an en-US text)

Solution

using mdn.localString to select a l10n title for this macro.

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Screenshots

test on this pr: mdn/translated-content#6699

Before

Non-standard_Inline:

APIRef:

After

Non-standard_Inline:

APIRef:

How did you test this change?

see renderd html.

[yin1999]

poke @irvin for a review on l10n-zh translation