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## What this PR does
- **[dashboard-controller] Fix labelSelectors**
- **[cozystack-api] Enhance TenantSecrets filtering**
- **[cozystack-api] Fix sorting for TenantSecrets**
### Release note
<!-- Write a release note:
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```release-note
[cozystack-api][dashboard] Fix filtering for application services/ingresses/secrets
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Refactor**
* Standardized internal configuration naming conventions across
dashboard components.
* Enhanced tenant secret validation and filtering logic with improved
label-based operations for consistency and correctness.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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