hotFix_hRef : Try to stop oscillations/variations of fluegases concentrations during simulation

Model "CAT1_secondaire_test_V4" (branch "hotFix_hREF") simulation stop at t>0 with rapid decrease (to zero) of XCO2, Xh2O...

See other Ticket : "Should we set nominal value for variables of ThermoSysPro"

• try also : (guest) start values of concentrations (in grey also) = 0 in all modules/sub-modules