refact: rename phase -> phasenum

[asmfstatoil]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 29.78723% with 33 lines in your changes missing coverage. Please review.

Project coverage is 40.63%. Comparing base (6564c83) to head (f921ffa).

Files with missing lines	Patch %	Lines
...c/main/java/neqsim/thermo/system/SystemThermo.java	20.00%	23 Missing and 1 partial ⚠️
...ilibrium/LinearProgrammingChemicalEquilibrium.java	62.50%	2 Missing and 1 partial ⚠️
...lowsolver/stirredcellsolver/StirredCellSolver.java	0.00%	3 Missing ⚠️
...namicoperations/flashops/CalcIonicComposition.java	0.00%	2 Missing ⚠️
src/main/java/neqsim/thermo/phase/PhasePCSAFT.java	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1191      +/-   ##
============================================
+ Coverage     39.59%   40.63%   +1.03%     
  Complexity     5869     5869              
============================================
  Files           717      717              
  Lines         69703    67921    -1782     
  Branches       8117     8091      -26     
============================================
- Hits          27601    27600       -1     
+ Misses        40441    38660    -1781     
  Partials       1661     1661              

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[EvenSol]

good update