fix: upstream pruning fixes to v1.2.0

[srene]

PR Standards

Opening a pull request should be able to meet the following requirements

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PR naming convention: https://hackmd.io/@nZpxHZ0CT7O5ngTp0TP9mg/HJP_jrm7A

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Close #XXX

<-- Briefly describe the content of this pull request -->

For Author:

• Targeted PR against correct branch
• included the correct type prefix in the PR title
• Linked to Github issue with discussion and accepted design
• Targets only one github issue
• Wrote unit and integration tests
• All CI checks have passed
• Added relevant godoc comments

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For Reviewer:

• confirmed the correct type prefix in the PR title
• Reviewers assigned
• confirmed all author checklist items have been addressed

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After reviewer approval:

• In case targets main branch, PR should be squashed and merged.
• In case PR targets a release branch, PR should be rebased.

[codecov]

Codecov Report

Attention: Patch coverage is 16.72727% with 458 lines in your changes missing coverage. Please review.

Please upload report for BASE (release/v1.2.x@34e29f6). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...github.com/dymensionxyz/dymint/store/mock_Store.go	0.00%	301 Missing ⚠️
store/store.go	30.76%	27 Missing ⚠️
block/pruning.go	0.00%	22 Missing ⚠️
p2p/client.go	15.38%	22 Missing ⚠️
indexers/txindex/kv/kv.go	50.00%	17 Missing and 3 partials ⚠️
store/pruning.go	51.28%	12 Missing and 7 partials ⚠️
indexers/blockindexer/kv/kv.go	47.05%	16 Missing and 2 partials ⚠️
indexers/txindex/indexer_service.go	5.26%	18 Missing ⚠️
p2p/block_sync_dag.go	50.00%	4 Missing and 2 partials ⚠️
rpc/client/client.go	50.00%	2 Missing and 1 partial ⚠️
... and 2 more

Additional details and impacted files

@@                Coverage Diff                @@
##             release/v1.2.x    #1204   +/-   ##
=================================================
  Coverage                  ?   34.55%           
=================================================
  Files                     ?      135           
  Lines                     ?    22601           
  Branches                  ?        0           
=================================================
  Hits                      ?     7810           
  Misses                    ?    13671           
  Partials                  ?     1120           

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