chore: cast to ICS4Wrapper

[crodriguezvega]

Description

See comment.

closes: #XXXX

Commit Message / Changelog Entry

type: commit message

see the guidelines for commit messages. (view raw markdown for examples)

---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

• Targeted PR against correct branch (see CONTRIBUTING.md).
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards and Go style guide.
• Wrote unit and integration tests.
• Updated relevant documentation (docs/) or specification (x/<module>/spec/).
• Added relevant godoc comments.
• Provide a commit message to be used for the changelog entry in the PR description for review.
• Re-reviewed Files changed in the Github PR explorer.
• Review Codecov Report in the comment section below once CI passes.

[codecov-commenter]

Codecov Report

Merging #4460 (136097c) into main (5729cef) will decrease coverage by 0.04%.
Report is 3 commits behind head on main.
The diff coverage is 55.55%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4460      +/-   ##
==========================================
- Coverage   79.50%   79.47%   -0.04%     
==========================================
  Files         188      188              
  Lines       13038    13045       +7     
==========================================
+ Hits        10366    10367       +1     
- Misses       2241     2245       +4     
- Partials      431      433       +2     

Files Changed	Coverage Δ
...dules/light-clients/06-solomachine/client_state.go	82.73% <46.66%> (-5.55%)	⬇️
modules/core/23-commitment/types/merkle.go	69.09% <100.00%> (+1.04%)	⬆️
modules/light-clients/07-tendermint/upgrade.go	73.86% <100.00%> (ø)

[srdtrk]

lgtm