fix: entityManager chaos under multiple instances

[czy88840616]

Checklist

• npm test passes
• tests and/or benchmarks are included
• documentation is changed or added
• commit message follows commit guidelines

Affected core subsystem(s)

Description of change

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (72aacdf) 84.46% compared to head (4426343) 84.46%.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3574   +/-   ##
=======================================
  Coverage   84.46%   84.46%           
=======================================
  Files         491      491           
  Lines       46688    46668   -20     
  Branches     5574     5573    -1     
=======================================
- Hits        39433    39418   -15     
+ Misses       7214     7209    -5     
  Partials       41       41           

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