chore: minor cleanup of types

[tac0turtle]

Description

Closes: #XXXX

---

Author Checklist

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• followed the guidelines for building modules
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
• included comments for documenting Go code
• updated the relevant documentation or specification
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

Reviewers Checklist

All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[codecov]

Codecov Report

Merging #13430 (8ad22e2) into main (4fe7797) will decrease coverage by 1.77%.
The diff coverage is 28.57%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13430      +/-   ##
==========================================
- Coverage   55.87%   54.10%   -1.78%     
==========================================
  Files         646      645       -1     
  Lines       54895    55276     +381     
==========================================
- Hits        30675    29906     -769     
- Misses      21762    22977    +1215     
+ Partials     2458     2393      -65     

Impacted Files	Coverage Δ
baseapp/grpcrouter.go	90.00% <ø> (ø)
baseapp/grpcrouter_helpers.go	25.00% <ø> (ø)
baseapp/grpcserver.go	1.72% <ø> (ø)
baseapp/msg_service_router.go	85.29% <ø> (+4.41%)	⬆️
baseapp/options.go	67.92% <ø> (-0.60%)	⬇️
client/broadcast.go	54.54% <ø> (+2.99%)	⬆️
client/cmd.go	57.73% <ø> (ø)
client/config/toml.go	55.55% <ø> (ø)
client/context.go	54.49% <ø> (-1.79%)	⬇️
client/flags/flags.go	19.35% <ø> (-0.32%)	⬇️
... and 262 more

[julienrbrt]

lgtm, just two nits.

[aaronc]

This should have been refactor! because it's breaking. chore should never be used when there are code changes I believe.