fix_query

[SahilNagpure07]

Description

Corrected CREATE AGENT query.

Fixes #8681

Type of change

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• 📄 This change requires a documentation update

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Checklist:

• My code follows the style guidelines(PEP 8) of MindsDB.
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• Necessary documentation updates are either made or tracked in issues.
• Relevant unit and integration tests are updated or added.