Update symbols for Finnish (#20083)
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### Link to issue number:
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### Summary of the issue:
### Description of user facing changes:
### Description of developer facing changes:
### Description of development approach:
### Testing strategy:
### Known issues with pull request:
### Code Review Checklist:
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- [ ] Documentation:
- Change log entry
- User Documentation
- Developer / Technical Documentation
- Context sensitive help for GUI changes
- [ ] Testing:
- Unit tests
- System (end to end) tests
- Manual testing
- [ ] UX of all users considered:
- Speech
- Braille
- Low Vision
- Different web browsers
- Localization in other languages / culture than English
- [ ] API is compatible with existing add-ons.
- [ ] Security precautions taken.
