Drastically reduce the default Mongo count timeout

[ml-evs]

I've noticed a few o-p-t APIs that are running with big data on small boxes. As such, I'd like to reduce the count timeout to just half a second to avoid big queries taking 5 seconds per page to fall over.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.63%. Comparing base (07edb32) to head (9765fdf).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2247   +/-   ##
=======================================
  Coverage   90.63%   90.63%           
=======================================
  Files          75       75           
  Lines        4965     4965           
=======================================
  Hits         4500     4500           
  Misses        465      465           

Flag	Coverage Δ
project	90.63% <100.00%> (ø)
validator	90.63% <100.00%> (ø)

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