Update chain handler

[ssd04]

Reasoning behind the pull request

• There were multiple operations to set last execution result context in blockchain handler
• Updated operations to have SetLastExecutionInfo to have all execution result related calls atomically

Testing procedure

• Standard full system test

Pre-requisites

Based on the Contributing Guidelines the PR author and the reviewers must check the following requirements are met:

• was the PR targeted to the correct branch?
• if this is a larger feature that probably needs more than one PR, is there a feat branch created?
• if this is a feat branch merging, do all satellite projects have a proper tag inside go.mod?

[codecov]

Codecov Report

❌ Patch coverage is 47.61905% with 22 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.54%. Comparing base (4d94bfb) to head (f4d7923).

Files with missing lines	Patch %	Lines
dataRetriever/blockchain/baseBlockchain.go	57.89%	7 Missing and 1 partial ⚠️
dataRetriever/blockchain/blockchain.go	0.00%	5 Missing ⚠️
dataRetriever/blockchain/metachain.go	0.00%	5 Missing ⚠️
...hainSimulator/components/testOnlyProcessingNode.go	0.00%	3 Missing ⚠️
process/block/baseProcess.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@                  Coverage Diff                   @@
##           feat/testnet-fixes    #7867      +/-   ##
======================================================
- Coverage               77.57%   77.54%   -0.03%     
======================================================
  Files                     884      884              
  Lines                  125210   125218       +8     
======================================================
- Hits                    97130    97106      -24     
- Misses                  21628    21654      +26     
- Partials                 6452     6458       +6     

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[miiu96]

maybe you should add nil check for header and execution results ?

[ssd04]

done

[miiu96]

run go mod tidy

[ssd04]

done