gh-1836 Delete using filter leaves objects searchable

[antas-marcin]

Closes #1836

[codecov]

Codecov Report

Merging #1845 (a061cc0) into master (9280066) will decrease coverage by 0.00%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #1845      +/-   ##
==========================================
- Coverage   65.98%   65.98%   -0.01%     
==========================================
  Files         411      411              
  Lines       30888    30895       +7     
==========================================
+ Hits        20382    20386       +4     
  Misses       8716     8716              
- Partials     1790     1793       +3     

Flag	Coverage Δ
integration	67.24% <ø> (+<0.01%)	⬆️
unittests	65.98% <66.66%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
usecases/objects/delete.go	72.00% <66.66%> (+5.33%)	⬆️
adapters/repos/db/lsmkv/bucket.go	61.94% <0.00%> (-1.50%)	⬇️
usecases/traverser/grouper/merge_group.go	80.58% <0.00%> (-1.18%)	⬇️
usecases/sharding/state.go	66.01% <0.00%> (-0.98%)	⬇️
...pters/repos/db/vector/hnsw/neighbor_connections.go	63.56% <0.00%> (+3.87%)	⬆️

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