Update parameter names for better readability

[chatton]

Description

closes: #5463

---

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[crodriguezvega]

I think there a couple of places where we could do some extra renaming.

• Should we also do the renaming in the host callbacks and in the keeper functions of both the controller and host?
• Should we also do the renaming in the testing mock callbacks?

[codecov-commenter]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (de8eb6e) 81.18% compared to head (c16f5b3) 81.18%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5512   +/-   ##
=======================================
  Coverage   81.18%   81.18%           
=======================================
  Files         197      197           
  Lines       15247    15247           
=======================================
  Hits        12378    12378           
  Misses       2404     2404           
  Partials      465      465           

Files	Coverage Δ
...interchain-accounts/controller/keeper/handshake.go	84.17% <100.00%> (ø)
modules/apps/29-fee/ibc_middleware.go	88.27% <100.00%> (ø)
...7-interchain-accounts/controller/ibc_middleware.go	69.56% <85.71%> (ø)
...ps/27-interchain-accounts/host/keeper/handshake.go	87.37% <85.71%> (ø)
modules/apps/transfer/ibc_module.go	69.10% <87.50%> (ø)
...les/apps/27-interchain-accounts/host/ibc_module.go	84.12% <50.00%> (ø)

[colin-axner]

ACK but see suggestions, some consistency is still missing. Thank you!