feat(x/ecocredit): add query balances by batch cmd

[ryanchristo]

Description

Ref: #1456 (https://hackmd.io/vcNbk99BTiWJ4cMtALSBOA?view)

While performing manual tests, I noticed we were missing a command for QueryBalancesByBatch. This adds the missing command and adds a missing test. Also fixes formatting and returning QueryClassIssuersCmd error.

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Author Checklist

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I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
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• 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
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Reviewers Checklist

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• 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 #1634 (7b03236) into main (6043274) will increase coverage by 0.13%.
The diff coverage is 92.03%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1634      +/-   ##
==========================================
+ Coverage   77.62%   77.76%   +0.13%     
==========================================
  Files         266      266              
  Lines       19484    19579      +95     
==========================================
+ Hits        15125    15225     +100     
+ Misses       3490     3482       -8     
- Partials      869      872       +3     

Impacted Files	Coverage Δ
x/ecocredit/client/query.go	0.00% <0.00%> (ø)
x/ecocredit/base/client/query.go	69.34% <82.35%> (+2.60%)	⬆️
x/ecocredit/client/testsuite/query.go	99.56% <100.00%> (+0.03%)	⬆️
x/ecocredit/client/testsuite/suite.go	96.47% <100.00%> (+0.06%)	⬆️