feat: add entityClassName to metrics adapter events

[wschurman]

Why

This adds the ability for concrete implementations of IEntityMetricsAdapter to segregate metric records by entity type. While not required (implementors can do whatever they like with the events), it may be helpful to find things like entity hot paths, slow tables, places that could use caches, etc.

This is not a breaking change as the interface is an object so code that worked with the old interface should work with the new interface.

How

Add parameter to definition and pipe through to log events.

Test Plan

yarn test (updated tests test the new behavior in addition to the old behavior to ensure no regressions).

[codecov]

Codecov Report

Merging #83 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #83   +/-   ##
=======================================
  Coverage   94.61%   94.61%           
=======================================
  Files          60       60           
  Lines        1522     1523    +1     
  Branches      181      181           
=======================================
+ Hits         1440     1441    +1     
- Misses         80       81    +1     
+ Partials        2        1    -1     

Flag	Coverage Δ
#integration	94.61% <100.00%> (+<0.01%)	⬆️
#unittest	94.61% <100.00%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
packages/entity/src/EntityMutator.ts	98.00% <ø> (ø)
packages/entity/src/metrics/EntityMetricsUtils.ts	100.00% <ø> (ø)
...ckages/entity/src/metrics/IEntityMetricsAdapter.ts	100.00% <ø> (ø)
packages/entity/src/EntityCompanionProvider.ts	100.00% <100.00%> (ø)
packages/entity/src/internal/EntityDataManager.ts	100.00% <100.00%> (ø)
.../entity/src/internal/EntityTableDataCoordinator.ts	100.00% <100.00%> (ø)
packages/entity/src/EntityLoader.ts	87.32% <0.00%> (ø)
...es/entity/src/utils/testing/StubDatabaseAdapter.ts	90.32% <0.00%> (ø)

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