## Description
It used the wrong property for finding the document's dateFormat in the
`DATE_FORMATS` array.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
- **New Features**
- Improved date format selection in the settings form to ensure accurate
formatting based on value.
- Default timezone now automatically set to the user's local timezone
for better user experience.
- **Bug Fixes**
- Corrected initialization of the timezone field to enhance form
accuracy.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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