feat: set signer extraction adapter (backport #25008)

[mergify]

Adds a setter for signer extraction adapter.

Closes: #25007

Summary by CodeRabbit

• New Features
  • Added the ability to assign a custom signer extraction adapter within proposal handling.

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This is an automatic backport of pull request #25008 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of da4517a has failed:

On branch mergify/bp/release/v0.53.x/pr-25008
Your branch is up to date with 'origin/release/v0.53.x'.

You are currently cherry-picking commit da4517a95.
  (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:   baseapp/abci_utils.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