Feedwater Economizer Calculator and suite

[nbintertech]

We need to add a Fuel type dropdown (ex. Flue Gas Calc), and change any associated functions based on fuel type.
MEASUR side:

• update fuelOptions logic
• setMaterialProperties

Will bring up in weekly to assess work -> other calculators that need changing:

• heat recovery from condensing heat exchanger
• heat cascading
• air heating using flue gas

Requires suite change, needs comparable method to GasCompositions

Below needs to be added as suite issue but board is currently erroring out `Issue overview

Add support for the MEASUR FeedwaterEconomizer calculator to call WaterHeatingUsingFlue().calculate() with SolidLiquid results properties, while keeping support for GasComposition properties. There may be existing api's in the suite to achieve this already, but I'd need more info to be sure.

Below is current MEASUR workflow with suite to get FeedWaterEconomizer output:

Creates a GasCompositions instance from material properties
Creates a WaterHeatingUsingFlue instance
Calls calculate on GasCompositions and following input

MEASUR material properties and inputs uysed w/ above

{
    tempFlueGas: number, 
    percO2: number, 
    tempCombAir: number, 
    tempAmbientAir: number,
    moistCombAir: number, 
    ratingBoiler: number, 
    prSteam: number, 
    condSteam: number, 
    tempSteam: number, 
    tempFW: number, 
    percBlowDown: number, 
    effHX: number, 
    opHours: number, 
    costFuel: number, 
    hhvFuel: number,
    fuelTempF: number,
    CH4: number,
    C2H6: number,
    N2: number,
    H2: number,
    C3H8: number,
    C4H10_CnH2n: number,
    H2O: number,
    CO: number,
    CO2: number,
    SO2: number,
    O2: number,
    substance: string,
}

MEASUR suite outputs from above

FeedwaterEconomizerOutput {
    effBoiler: number; 
    tempSteamSat: number; 
    enthalpySteam: number; 
    enthalpyFW: number; 
    flowSteam: number; 
    flowFW: number; 
    flowFlueGas: number; 
    heatCapacityFG: number; 
    specHeatFG: number; 
    heatCapacityFW: number; 
    specHeatFW: number; 
    ratingHeatRecFW: number; 
    tempFlueGasOut: number; 
    tempFWOut: number; 
    energySavingsBoiler: number; 
    costSavingsBoiler: number;
    energySavedTotal: number
}```

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