enhance: Return deltadata for DeleteCodec.Deserialize

[congqixia]

Related to #35303 #30404

This PR change return type of DeleteCodec.Deserialize from storage.DeleteData to DeltaData, which
reduces the memory usage of interface header.

Also refine storage.DeltaData methods to make it easier to usage.

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia

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• internal/datanode/OWNERS [congqixia]
• internal/querynodev2/delegator/OWNERS [congqixia]
• internal/querynodev2/segments/OWNERS [congqixia]
• internal/storage/OWNERS [congqixia]

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[codecov]

Codecov Report

Attention: Patch coverage is 89.33333% with 8 lines in your changes missing coverage. Please review.

Please upload report for BASE (master@d8c1bd2). Learn more about missing BASE report.
Report is 8 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/querynodev2/segments/segment_loader.go	37.50%	3 Missing and 2 partials ⚠️
internal/storage/data_codec.go	66.66%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #37214   +/-   ##
=========================================
  Coverage          ?   80.84%           
=========================================
  Files             ?     1318           
  Lines             ?   182642           
  Branches          ?        0           
=========================================
  Hits              ?   147664           
  Misses            ?    29801           
  Partials          ?     5177           

Components	Coverage Δ
Client	∅ <ø> (?)
Core	66.89% <ø> (?)
Go	83.13% <89.33%> (?)

Files with missing lines	Coverage Δ
internal/datanode/iterators/deltalog_iterator.go	100.00% <100.00%> (ø)
internal/querynodev2/segments/segment.go	65.47% <100.00%> (ø)
internal/querynodev2/segments/segment_l0.go	71.87% <100.00%> (ø)
internal/storage/delta_data.go	100.00% <100.00%> (ø)
internal/storage/primary_keys.go	100.00% <100.00%> (ø)
internal/storage/data_codec.go	77.79% <66.66%> (ø)
internal/querynodev2/segments/segment_loader.go	73.25% <37.50%> (ø)

[congqixia]

rerun cpp-unit-test

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/run-cpu-e2e

[congqixia]

rerun go-sdk

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/run-cpu-e2e

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rerun cpp-unit-test

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[congqixia]

/run-cpu-e2e

[tedxu]

/lgtm