Refactor Export EVM State and Compare State Diff

[zhangchiqing]

This PR refactors the EVM state exporting and importing as well as comparing the EVM state diff.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 91 lines in your changes missing coverage. Please review.

Project coverage is 39.41%. Comparing base (a41e107) to head (ce205ac).
Report is 1 commits behind head on leo/add-verify-evm-offchain-replay.

Files with missing lines	Patch %	Lines
cmd/util/cmd/verify-evm-offchain-replay/verify.go	0.00%	45 Missing ⚠️
cmd/util/cmd/export-evm-state/cmd.go	0.00%	41 Missing ⚠️
cmd/util/cmd/verify-evm-offchain-replay/main.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@                          Coverage Diff                           @@
##           leo/add-verify-evm-offchain-replay    #6760      +/-   ##
======================================================================
- Coverage                               42.02%   39.41%   -2.61%     
======================================================================
  Files                                    1744     1744              
  Lines                                  161157   149049   -12108     
======================================================================
- Hits                                    67726    58755    -8971     
+ Misses                                  87757    85347    -2410     
+ Partials                                 5674     4947     -727     

Flag	Coverage Δ
unittests	39.41% <0.00%> (-2.61%)	⬇️

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