Fix pressure editing handling in water dew point page

[EvenSol]

Summary

• ensure the water dew point pressure editor preserves the pressure column so validation works
• reuse the edited pressure values safely when validating and running calculations

Testing

• not run (not requested)

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Codex Task

[chatgpt-codex-connector]

💡 Codex Review

neqsimweb2/pages/10_Gas_Hydrate.py

Lines 79 to 80 in 0772e97

	if (st.edited_dfTP['Pressure (bara)'] <= 0).any():
	st.error('Pressure must be greater than 0 bara. Please update the pressure inputs before running calculations.')

Pressure validation indexes Series as DataFrame

The new validation uses st.edited_dfTP['Pressure (bara)'], but st.edited_dfTP is produced by st.data_editor(st.session_state.tp_data['Pressure (bara)'].dropna()...) and remains a Series without a Pressure (bara) column. Accessing it with a column label raises a KeyError before the Run handler executes, so the hydrate calculation now crashes on every run even with valid pressures. Pass a DataFrame into data_editor or validate the Series directly.

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