refactor(cubesql): Use corresponding name for checkSqlAuth

[ovr]

I am going to expose checkAuth in the next PR. To protect a situation with name collisions, I am going to rename functions that are used as checkSqlAuth.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.72%. Comparing base (a93ae85) to head (64ab466).
Report is 6 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #9372   +/-   ##
=======================================
  Coverage   83.72%   83.72%           
=======================================
  Files         229      229           
  Lines       82574    82574           
=======================================
  Hits        69138    69138           
  Misses      13436    13436           

Flag	Coverage Δ
cubesql	83.72% <ø> (ø)

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