add stress initialization for hydrofracture solver

[Guotong-Ren]

prototype the initialization procedure for the hydrofracture solver when stress calculation is needed (e.g., Neumann boundary, nodal forces specified by fieldspecification)

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 53.56%. Comparing base (d3783ad) to head (1d44346). Report is 2 commits behind head on develop.

Files	Patch %	Lines
...hysicsSolvers/multiphysics/HydrofractureSolver.cpp	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #3150 +/- ## =========================================== - Coverage 53.57% 53.56% -0.01% =========================================== Files 1003 1003 Lines 85297 85297 =========================================== - Hits 45695 45693 -2 - Misses 39602 39604 +2 ```

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[jhuang2601]

Try to run make uncrustify_style to fix the reported problem for code style

[Guotong-Ren]

Try to run make uncrustify_style to fix the reported problem for code style

thanks, Jian, for the suggestion. will do that.