i18n: Merge similar translation strings in privacy request statuses

[ramiy]

The wp-includes/post.php file has a create_initial_post_types() function that registers initial post types & statuses.

When registering Privacy Statuses (Pending, Confirmed, Failed, Completed), translation string use _x() context function.

Below we have the _wp_privacy_statuses() function that returns privacy statuses. This function uses regular __() function without any context.

The same 4 strings have 8 translation strings in the translate system bloating the total number of translation strings.

We can merge those translation strings by using context functions inside _wp_privacy_statuses().

See the screenshot from the translation system and the attached patch.

[audrasjb]

New patch, generated against trunk/wordpress-develop and not the standalone installation

[SergeyBiryukov]

In 48578:

I18N: Add context to privacy request status strings.

These strings already have a context in create_initial_post_types(), and should use the same context in _wp_privacy_statuses().

Props ramiy, audrasjb.
Fixes #50740.