fix: events emitted in hooks are duplicated

[yihuang]

Description

Closes: #628

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Author Checklist

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I have...

• tackled an existing issue or discussed with a team member
• left instructions on how to review the changes
• targeted the main branch

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.19%. Comparing base (3225549) to head (c208f44).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #814      +/-   ##
==========================================
+ Coverage   64.96%   65.19%   +0.22%     
==========================================
  Files         317      317              
  Lines       21604    21597       -7     
==========================================
+ Hits        14036    14080      +44     
- Misses       6349     6356       +7     
+ Partials     1219     1161      -58     

Files with missing lines	Coverage Δ
x/vm/keeper/state_transition.go	83.55% <ø> (-0.22%)	⬇️

... and 4 files with indirect coverage changes

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[aljo242]

can we make this a const?

[yihuang]

done