Fix smart info File Not Found Error on Initial Install

[MattToast]

Remove spurious error from smart info complaining about a missing build directory when smart build has not been run before hand on initial install. Does this by suppressing errors raised out of get_db_path without changing the original intent of the function. Adds better parameterization for testing and tests for the function.

Fixes #745

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.17%. Comparing base (d7d979e) to head (0d905de).
⚠️ Report is 28 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #806      +/-   ##
===========================================
- Coverage    83.91%   80.17%   -3.74%     
===========================================
  Files           83       78       -5     
  Lines         6284     6093     -191     
===========================================
- Hits          5273     4885     -388     
- Misses        1011     1208     +197     

see 42 files with indirect coverage changes

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