Fix for unreleased bug:
- Enforce validation rules for certificate template names (e.g., length,
allowed characters).
- Implement duplicate name error handling in MySQL datastore.
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**Related issue:** Resolves#37761
# Checklist for submitter
## Testing
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
For unreleased bug fixes in a release candidate, one of:
- [x] Confirmed that the fix is not expected to adversely impact load
test results
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Release Notes
* **New Features**
* Certificate template naming now enforced with validation rules: no
empty or whitespace-only names, character restrictions, and maximum
length limits.
* Validation occurs on both client and server sides.
* **Bug Fixes**
* Improved error handling and messaging for duplicate certificate
templates.
* Corrected certificate validation error message text.
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settings.</sub>
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Victor Lyuboslavsky
a3cc31dac8