refactor(types)!: cherry-pick sdk collections key changes from #16440

[mergify]

This is an automatic backport of pull request #16440 done by Mergify.
Cherry-pick of 5235593 has failed:

On branch mergify/bp/release/v0.50.x/pr-16440
Your branch is up to date with 'origin/release/v0.50.x'.

You are currently cherry-picking commit 5235593e7.
  (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:   types/collections.go
	modified:   types/collections_test.go
	modified:   x/bank/keeper/view.go
	modified:   x/distribution/keeper/genesis.go
	modified:   x/distribution/keeper/keeper.go
	modified:   x/distribution/keeper/keeper_test.go
	modified:   x/distribution/keeper/store.go
	modified:   x/distribution/migrations/v2/store_test.go
	modified:   x/distribution/simulation/decoder_test.go
	modified:   x/distribution/types/keys.go
	modified:   x/gov/keeper/keeper.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/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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