Fix ability to append log in tx post processing

[thomas-nguy]

Closes: #XXX

Description

Following #1025 ,

The result is not updated properly and the additional log in tx post processing are not persisted

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[fedekunze]

LGTM. Although ideally, we should only update the result if the log was modified. Can you add a changelog entry?

[codecov]

Codecov Report

Merging #1088 (c8abf67) into main (d359cbd) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1088      +/-   ##
==========================================
- Coverage   59.49%   59.47%   -0.02%     
==========================================
  Files          84       84              
  Lines        6940     6942       +2     
==========================================
  Hits         4129     4129              
- Misses       2598     2600       +2     
  Partials      213      213              

Impacted Files	Coverage Δ
x/evm/keeper/state_transition.go	75.07% <0.00%> (-0.47%)	⬇️