Fixes SEGFAULT error after compaction

[aliszka]

What's being changed:

Added missing lock releases on error occurrences
Object's slice is copied after being read from bucket (replace strategy; already implemented for lists and maps)

Review checklist

• Documentation has been updated, if necessary. Link to changed documentation:
• Chaos pipeline run or not necessary. Link to pipeline:
• All new code is covered by tests where it is reasonable.
• Performance tests have been run or not necessary.

[codecov]

Codecov Report

Base: 68.06% // Head: 68.03% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (d490ed3) compared to base (a36eec1).
Patch coverage: 71.87% of modified lines in pull request are covered.

❗ Current head d490ed3 differs from pull request most recent head 3f189e1. Consider uploading reports for the commit 3f189e1 to get more accurate results

Additional details and impacted files

@@               Coverage Diff                @@
##           stable/v1.16    #2349      +/-   ##
================================================
- Coverage         68.06%   68.03%   -0.04%     
================================================
  Files               530      530              
  Lines             53321    53339      +18     
================================================
- Hits              36292    36287       -5     
- Misses            14795    14816      +21     
- Partials           2234     2236       +2     

Flag	Coverage Δ
integration	68.67% <70.00%> (-0.10%)	⬇️
unittests	53.32% <12.50%> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
adapters/repos/db/shard_write_put.go	53.24% <42.85%> (-0.79%)	⬇️
adapters/repos/db/shard_write_merge.go	48.57% <58.33%> (-2.17%)	⬇️
adapters/handlers/rest/embedded_spec.go	100.00% <100.00%> (ø)
...dapters/repos/db/lsmkv/segment_replace_strategy.go	63.85% <100.00%> (+3.32%)	⬆️
adapters/repos/db/lsmkv/segment_serialization.go	62.04% <100.00%> (+0.14%)	⬆️
adapters/repos/db/vector/hnsw/delete.go	76.20% <0.00%> (-1.69%)	⬇️
...pters/repos/db/vector/hnsw/neighbor_connections.go	66.82% <0.00%> (-1.43%)	⬇️
adapters/repos/db/lsmkv/bucket.go	65.90% <0.00%> (-0.92%)	⬇️
adapters/repos/db/vector/hnsw/index.go	57.57% <0.00%> (-0.87%)	⬇️
... and 3 more

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