Issue dev/backdrop#80: global $language should be an object.

[bugfolder]

Overview

Fixes https://lab.civicrm.org/dev/backdrop/-/issues/80.

Before

In Backdrop CMS, the global variable $language was set to a string (e.g., "English"), rather than an object, as it is supposed to be set.

This causes warnings and incorrect results whenever the objects variables are accessed, e.g., $langcode = $language->langcode;.

After

It is now set to the appropriate object.

Technical Details

The function whose call is being changed is documented here.

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[seamuslee001]

@herbdool I think this looks right to me can you confirm?

[herbdool]

@seamuslee001 yup, looks good.