chore: copy sdk.Msg impls for v1

[technicallyty]

Description

• copies the sdk.Msg impls from alpha proto to v1 protos.
• also ran go fmt in the ecocredit module

reviewers: 99.99% of this is just copy pasta, any additl' edits made were cleanup and adding t.Parallel() to all the msg tests.

Closes: #900

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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 #911 (edf3fac) into master (ab646ff) will decrease coverage by 0.70%.
The diff coverage is 25.40%.

@@            Coverage Diff             @@
##           master     #911      +/-   ##
==========================================
- Coverage   73.37%   72.67%   -0.71%     
==========================================
  Files         171      184      +13     
  Lines       22493    22735     +242     
==========================================
+ Hits        16505    16523      +18     
- Misses       4820     4987     +167     
- Partials     1168     1225      +57     

Flag	Coverage Δ
experimental-codecov	72.46% <15.98%> (-0.89%)	⬇️
stable-codecov	65.77% <17.21%> (-0.75%)	⬇️

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