🧹 Code Health Improvement: Fix bare except pass in labelstudio_manager.py

[FadelMamar]

🎯 What: Replaced the bare except Exception: pass block in src/wildetect/core/visualization/labelstudio_manager.py with an except Exception as e: block that explicitly logs the error using logger.error().

💡 Why: Silently swallowing broad exceptions ("bare except pass") is an anti-pattern that obscures errors, making it difficult to debug issues if an upload fails. Logging the exception preserves execution flow while surfacing actionable error details, greatly improving the code's maintainability and the system's observability.

✅ Verification: Verified the code syntax locally and successfully ran the test suite using tests/run_all_tests.py to ensure no unexpected regressions or regressions to other parts of the codebase were introduced.

✨ Result: Improved code health and safer, more observable exception handling during Label Studio detections upload.

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PR created automatically by Jules for task 17818920888550217311 started by @FadelMamar

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