Issue #3494057 by sutry: Fixing emails that vary only by case (multilingual).

Paul Maddernrequested to merge
issue/drupal-3494057:3494057-fixing-emails-that into 10.6.x

Issue #3494057 by sutry: Fixing emails that vary only by case (multilingual).

(backported from https://www.drupal.org/project/drupal/issues/3490639)

Closes #3494057

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