test: Migrate legacy MongoDB tests to ConsoleMF.

[jaffinito]

Description

• Removes the web app, fixture, and tests for legacy MongoDB (mongocsharpdriver 1.10.0)
• Replaces them with a new exerciser in the ConsoleMF app
• Makes same calls, but has one Fact and looks for more metrics
• Uses a random DB and removes it when the test completes.
• Replaces the modern MongoDB package for the net462 TFM with the legacy package
• Updates modern tests, fixtures, and exerciser to exclude net462

Author Checklist

• Unit tests, Integration tests, and Unbounded tests completed
• Performance testing completed with satisfactory results (if required)

Reviewer Checklist

• Perform code review
• Pull request was adequately tested (new/existing tests, performance tests)

[tippmar-nr]

Nice work!

[nr-ahemsath]

Thanks for finally getting this taken care of!

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.18%. Comparing base (ae1a436) to head (9069674).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3055      +/-   ##
==========================================
- Coverage   82.21%   82.18%   -0.04%     
==========================================
  Files         477      477              
  Lines       30623    30623              
  Branches     3426     3426              
==========================================
- Hits        25177    25166      -11     
- Misses       4645     4658      +13     
+ Partials      801      799       -2     

Flag	Coverage Δ
Agent	83.23% <ø> (-0.04%)	⬇️
Profiler	72.51% <ø> (ø)

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see 4 files with indirect coverage changes

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[chynesNR]

Nice work!