fix: add missing setup context decorator

[jhernandezb]

Closes: #XXX

Description

Custom ante handler is missing context decorator that sets the gas meter.

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[codecov]

Codecov Report

Merging #1025 (d6db2e2) into main (f5ee472) will decrease coverage by 1.64%.
The diff coverage is 0.00%.

❗ Current head d6db2e2 differs from pull request most recent head 30e798d. Consider uploading reports for the commit 30e798d to get more accurate results

@@            Coverage Diff             @@
##             main    #1025      +/-   ##
==========================================
- Coverage   12.08%   10.43%   -1.65%     
==========================================
  Files           9       11       +2     
  Lines         927     1083     +156     
==========================================
+ Hits          112      113       +1     
- Misses        810      965     +155     
  Partials        5        5              

[okwme]

Thanks for this PR @jhernandezb !
These changes have already been incorporated so I'm closing this PR.

[jhernandezb]

@okwme I don't see it committed to main or any vega RC, maybe I'm missing something

[okwme]

god you're totally right!
i'm sorry about that and appreciate you getting our attention again before the final release.
I've made a new PR: #1078