refactor(x/ecocredit): move params within params

[ryanchristo]

Description

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

While manual testing, I noticed the two new params returned in QueryParams were being returned outside the other params. This seemed a bit odd and confusing so this pull request moves them within the Params struct with the others. The changes are part of the current revision so no breaking proto changes.

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Author Checklist

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• included the necessary unit and integration tests
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• confirmed the correct type prefix in the PR title
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• reviewed state machine logic
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• manually tested (if applicable)

[codecov]

Codecov Report

Merging #1635 (70c1fd5) into main (6043274) will increase coverage by 0.01%.
The diff coverage is 100.00%.

❗ Current head 70c1fd5 differs from pull request most recent head 334fe02. Consider uploading reports for the commit 334fe02 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1635      +/-   ##
==========================================
+ Coverage   77.62%   77.64%   +0.01%     
==========================================
  Files         266      266              
  Lines       19484    19501      +17     
==========================================
+ Hits        15125    15142      +17     
  Misses       3490     3490              
  Partials      869      869              

Impacted Files	Coverage Δ
x/ecocredit/base/keeper/query_params.go	56.00% <100.00%> (ø)
x/ecocredit/client/testsuite/query.go	99.53% <100.00%> (+<0.01%)	⬆️
x/ecocredit/client/testsuite/suite.go	96.47% <100.00%> (+0.06%)	⬆️