<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- The "Add Selfhosted" and "Add Server" options are now displayed whenever the build configuration is native, without relying on feature flags.
- **Refactor**
- Simplified conditional rendering for server addition buttons by replacing feature flag checks with build configuration checks.
- **Chores**
- Removed the "Multiple Cloud Servers" feature flag and its related localization strings, streamlining feature management and UI labels.
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