fix: export x/collection params into genesis (backport #1268)

[mergify[bot]]

Description

x/collection does not export its params into genesis. This patch addresses the problem.

Checklist:

• [x] I followed the contributing guidelines and code of conduct.
• [x] I have added a relevant changelog to CHANGELOG.md
• [x] I have added tests to cover my changes.
• [ ] I have updated the documentation accordingly.
• [ ] I have updated API documentation client/docs/swagger-ui/swagger.yaml

  ---

  This is an automatic backport of pull request #1268 done by Mergify.

[mergify[bot]]

Cherry-pick of e86b98002e661881337f53cfcad749227b58173f has failed:

On branch mergify/bp/release/v0.48.x/pr-1268
Your branch is up to date with 'origin/release/v0.48.x'.

You are currently cherry-picking commit e86b98002.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
    modified:   x/collection/keeper/genesis.go
    modified:   x/collection/keeper/genesis_test.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
    both modified:   CHANGELOG.md

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 69.78%. Comparing base (8b312a6) to head (7a9670c).

Additional details and impacted files

[](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1290?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia) ```diff @@ Coverage Diff @@ ## release/v0.48.x #1290 +/- ## =================================================== - Coverage 69.78% 69.78% -0.01% =================================================== Files 646 646 Lines 67506 67507 +1 =================================================== Hits 47108 47108 - Misses 18212 18213 +1 Partials 2186 2186 ``` | [Files](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1290?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia) | Coverage Δ | | |---|---|---| | [x/collection/keeper/genesis.go](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1290?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-eC9jb2xsZWN0aW9uL2tlZXBlci9nZW5lc2lzLmdv) | `96.00% <100.00%> (+0.01%)` | :arrow_up: | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1290/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia)