Rework once again of the datom store, taking hints from DataHike and leveraging RocksDB even more

[halgari]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 87.46479% with 89 lines in your changes are missing coverage. Please review.

Project coverage is 80.23%. Comparing base (ef12313) to head (8dbd76f).

Files	Patch %	Lines
...rcing.Storage/Abstractions/RefCountedDisposable.cs	0.00%	12 Missing ⚠️
...ng.Abstractions/DatomIterators/ExtensionMethods.cs	86.56%	9 Missing ⚠️
src/NexusMods.EventSourcing.Storage/DatomStore.cs	93.33%	7 Missing and 2 partials ⚠️
src/NexusMods.EventSourcing.Storage/Services.cs	0.00%	8 Missing ⚠️
...ing.Abstractions/DatomIterators/ReverseIterator.cs	53.84%	6 Missing ⚠️
...xusMods.EventSourcing.Storage/AttributeRegistry.cs	60.00%	3 Missing and 3 partials ⚠️
...EventSourcing.Abstractions/DatomIterators/While.cs	79.16%	5 Missing ⚠️
...rcing.Storage/InMemoryBackend/SortedSetIterator.cs	85.71%	4 Missing and 1 partial ⚠️
...Mods.EventSourcing.Abstractions/ScalarAttribute.cs	80.95%	3 Missing and 1 partial ⚠️
...ods.EventSourcing.Storage/InMemoryBackend/Batch.cs	87.09%	2 Missing and 2 partials ⚠️
... and 11 more

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #20      +/-   ##
==========================================
- Coverage   81.07%   80.23%   -0.84%     
==========================================
  Files          40       55      +15     
  Lines        1411     1513     +102     
  Branches      113      108       -5     
==========================================
+ Hits         1144     1214      +70     
- Misses        238      269      +31     
- Partials       29       30       +1     

Flag	Coverage Δ
Linux	80.17% <87.46%> (-0.91%)	⬇️
Windows	80.23% <87.46%> (-0.84%)	⬇️
macOS	80.17% <87.46%> (-0.91%)	⬇️

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