nits for params migrations

[crodriguezvega]

Description

Makes testing of MsgUpdateParams consistent across the board and also addresses #3776.

closes: #3776

Commit Message / Changelog Entry

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• 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.
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• Review Codecov Report in the comment section below once CI passes.

[codecov-commenter]

Codecov Report

Merging #3853 (aa5f8eb) into main (4af67c6) will increase coverage by 0.11%.
The diff coverage is 61.53%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3853      +/-   ##
==========================================
+ Coverage   78.76%   78.87%   +0.11%     
==========================================
  Files         187      187              
  Lines       12935    12939       +4     
==========================================
+ Hits        10188    10206      +18     
+ Misses       2317     2305      -12     
+ Partials      430      428       -2     

Impacted Files	Coverage Δ
modules/apps/27-interchain-accounts/module.go	51.00% <0.00%> (ø)
modules/apps/transfer/module.go	52.63% <0.00%> (ø)
...nterchain-accounts/controller/keeper/migrations.go	87.50% <100.00%> (+0.40%)	⬆️
...s/27-interchain-accounts/host/keeper/migrations.go	80.00% <100.00%> (+1.42%)	⬆️
modules/apps/transfer/keeper/keeper.go	90.47% <100.00%> (ø)
modules/apps/transfer/keeper/migrations.go	96.29% <100.00%> (ø)
modules/core/02-client/keeper/migrations.go	56.25% <100.00%> (+2.91%)	⬆️
modules/core/03-connection/keeper/migrations.go	60.00% <100.00%> (+2.85%)	⬆️

... and 4 files with indirect coverage changes

[DimitrisJim]

nice 🥳