fix(user): missing isCommon error check

[kiremitrov123]

Description

Somehow this condition got deleted during a merge.

This PR solves # .

Steps completed:

According to our definition of done, I have completed the following steps:

• [ ] Acceptance criteria met
• [ ] Unit tests added
• [ ] Docs updated (including config and env variables)
• [ ] Translations added
• [ ] UX tested
• [ ] Browsers / platforms tested
• [ ] Rebased & ready to merge without conflicts
• [ ] Reviewed own code

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit d8b946a):

https://ottwebapp--pr403-fix-missing-common-e-xxo0752l.web.app

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