fix(mollie-plugin): Add missing request when settled amount is 0

[casperiv0]

Description

Closes #2992

Breaking changes

None

Checklist

📌 Always:

• I have set a clear title
• My PR is small and contains a single feature
• I have checked my own PR

👍 Most of the time:

• I have added or updated test cases
• I have updated the README if needed

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Name	Status	Preview	Updated (UTC)
docs	✅ Ready (Inspect)	Visit Preview	Aug 4, 2024 8:53am

[github-actions]

All contributors have signed the CLA ✍️ ✅
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[casperiv0]

I have read the CLA Document and I hereby sign the CLA

[michaelbromley]

Thank you!