fix(settings): appending the me-contact only if it is not null

[alaa-alsalehi]

This PR is created to fix this issue #5981 I choose to fix the issue without any schema miniputation

this is a Part of GTC open source initiative

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[alaa-alsalehi]

@asbiin DONE

[roman-1983]

✅ Looks good to me

[github-actions]

This pull request has been automatically locked since there
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Please open a new issue for related bugs.