refactor: add PrintOrErr util function and improve devux in cli commands

[robert-zaremba]

Description

In cli code we have a lot of code repetition related to handling error and printing proto message.

This PR introduces a PrintOrErr util function to reduce repeated code.

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[codecov-commenter]

Codecov Report

Merging #1157 (3307b97) into main (ad59e36) will increase coverage by 0.48%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1157      +/-   ##
==========================================
+ Coverage   43.65%   44.13%   +0.48%     
==========================================
  Files          65       65              
  Lines        8460     8367      -93     
==========================================
  Hits         3693     3693              
+ Misses       4523     4430      -93     
  Partials      244      244              

Impacted Files	Coverage Δ
x/leverage/client/cli/query.go	0.00% <0.00%> (ø)

[toteki]

Looks good - just add a godoc for the utility function (even though it's small) and it's good to go

[toteki]

Oh, and might also change to refactor prefix in PR title