feat(pkg): improve xgenny dry run (backport #4001)

[mergify]

close #2565

Description

Improve the xgenny package by creating a custom runner to salve all modifications into a temporary folder and only apply and copy all files to the target directory later.

Changes

This PR removes the default dry and wet runners, avoiding running two generators. If everything works fine, only one will run into a temporary folder and be copied to the target folder.

---

This is an automatic backport of pull request #4001 done by Mergify.

[mergify]

Cherry-pick of 2ad41ee has failed:

On branch mergify/bp/release/v28.x.y/pr-4001
Your branch is up to date with 'origin/release/v28.x.y'.

You are currently cherry-picking commit 2ad41ee3.
  (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:   changelog.md
	modified:   go.mod
	deleted:    ignite/cmd/scaffold_package.go
	new file:   ignite/pkg/xgenny/runner.go
	renamed:    ignite/pkg/xgenny/xgenny.go -> ignite/pkg/xgenny/walker.go
	renamed:    ignite/pkg/xgenny/xgenny_test.go -> ignite/pkg/xgenny/walker_test.go
	modified:   ignite/services/plugin/scaffold.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   ignite/cmd/chain.go
	both modified:   ignite/cmd/scaffold.go
	both modified:   ignite/cmd/scaffold_chain.go
	deleted by us:   ignite/cmd/scaffold_configs.go
	both modified:   ignite/cmd/scaffold_message.go
	both modified:   ignite/cmd/scaffold_module.go
	both modified:   ignite/cmd/scaffold_packet.go
	deleted by us:   ignite/cmd/scaffold_params.go
	both modified:   ignite/cmd/scaffold_query.go
	deleted by them: ignite/pkg/xgenny/run.go
	both modified:   ignite/services/chain/init.go
	both modified:   ignite/services/chain/proto.go
	both modified:   ignite/services/doctor/doctor.go
	deleted by us:   ignite/services/scaffolder/configs.go
	both modified:   ignite/services/scaffolder/init.go
	both modified:   ignite/services/scaffolder/message.go
	both modified:   ignite/services/scaffolder/module.go
	both modified:   ignite/services/scaffolder/packet.go
	deleted by us:   ignite/services/scaffolder/params.go
	both modified:   ignite/services/scaffolder/query.go
	both modified:   ignite/services/scaffolder/scaffolder.go
	both modified:   ignite/services/scaffolder/type.go

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

[github-actions]

Visit the preview URL for this PR (updated for commit c312a37):

https://igntservices-docs--pr4234-mergify-bp-release-v-00v5xbcs.web.app

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