BUG: avoid initiating fvOptions in SHM process

Refer EP#760

Layer addition iteration 0
--------------------------

Determining displacement for added points according to pointNormal ...
Detected 0 points with point normal pointing through faces.
Reset displacement at 0 points to average of surrounding points.

fieldSmoother : Smoothing field ...
    Iteration 0   residual 7.07211044e-05
Creating finite volume options from "system/fvOptions"

Selecting finite volume options type limitTemperature
    Source: limitT
    - selecting all cells
    - selected 59289 cell(s) with volume 1.600752072


--> FOAM FATAL ERROR: 

    request for basicThermo thermophysicalProperties from objectRegistry region0 failed
    available objects of type basicThermo are