nit: override amount

[aelmanaa]

This pull request adds improved handling for token selection logic in the TokenTransferCommand class, specifically when only an amount is provided but no token. Now, the script will use the default BnM token with the specified custom amount, and log this behavior for clarity.

Enhancements to token transfer logic:

• Updated the conditional logic in TokenTransferCommand to support transfers with a custom amount using the default BnM token when no specific token is provided. This improves usability for CLI users who only specify an amount.
• Added a log message to inform users when the default BnM token is being used with a custom amount, enhancing transparency during script execution.

[github-actions]

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[github-actions]

👋 aelmanaa, thanks for creating this pull request!

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