feat: tendermint headers compatibility

[omritoptix]

PR Standards

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

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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:

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[mtsitrin]

why u need the commit *types.Commit argument? seems u take everything from the header itself

[omritoptix]

this line for example if len(commit.TMSignature.Signature) == 0 { is using the commit field and can't use the header field.

[codecov]

Codecov Report

Merging #505 (059fd6d) into main (ddcbc64) will increase coverage by 0.11%.
The diff coverage is 67.91%.

@@            Coverage Diff             @@
##             main     #505      +/-   ##
==========================================
+ Coverage   52.33%   52.44%   +0.11%     
==========================================
  Files         100      100              
  Lines       14565    14685     +120     
==========================================
+ Hits         7622     7701      +79     
- Misses       5850     5879      +29     
- Partials     1093     1105      +12     

Files	Coverage Δ
block/manager.go	62.33% <ø> (ø)
block/testutil.go	65.62% <ø> (ø)
conv/abci/block.go	97.47% <100.00%> (+0.13%)	⬆️
types/serialization.go	72.52% <100.00%> (+1.28%)	⬆️
block/produce.go	80.32% <74.46%> (-2.03%)	⬇️
types/pb/dymint/dymint.pb.go	40.90% <43.63%> (+0.12%)	⬆️

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