Load additional properties from chemicals extended DB

[EvenSol]

Summary

• load additional physical properties such as molar mass, normal boiling point, triple point temperature, and critical constants for components resolved through the chemicals-backed extended database
• apply the retrieved property data to each phase component created via SystemInterface.addComponent when the extended database is enabled
• extend the regression test to verify the injected properties against values provided by the chemicals package

Testing

• PYTHONPATH=src pytest tests/test_extended_database.py -q

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https://chatgpt.com/codex/tasks/task_e_68fdbf078084832d834bb0e9eb16e039