feat: add error code for email already verified

[pash2048]

See parse-community/parse-server##7740

New Pull Request Checklist

• [x] I am not disclosing a vulnerability.
• [x] I am creating this PR in reference to an issue.

Issue Description

This PR adds a new error code when users requestEmailVerification for verified email, now the parse server sends the OTHER_CAUSE error code and it needs a better error code instead of -1 and should have a message instead of stack property.

Related issue: parse-community/parse-server##7740

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Codecov Report

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  Hits             ?     5946           
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