[ChangesReporting][Alternative] Collect changed_files on --no-diffs with json output with use of JsonOutputFactory

[samsonasik]

to make easy test for cross OS usage.

Continue of PR:

• Fixes showing files changed in JSON formatter #7808

Closes #7808

[samsonasik]

@peterfox on running via cli, it somehow not show the list of file changed (even your original PR).

➜  rector-src git:(use-factory) ✗ bin/rector process src/Application/VersionResolver.php  --output-format=json --no-diffs  --dry-run
{
    "totals": {
        "changed_files": 1,
        "errors": 0
    }
}

so it seems need change on FileProcessor or ApplicationFileProcessor level to append "empty file diffs"

I will look more, mark as draft for now :)

[samsonasik]

this needs e2e test

[samsonasik]

I've added e2e test to show it still not working on cli command 33d9f9a that it seems require change on file processor somewhere...

https://github.com/rectorphp/rector-src/actions/runs/22897852101/job/66436469748?pr=7821#step:7:17

[samsonasik]

Fixed with check on WorkerCommand as well 👍 /cc @peterfox

[samsonasik]

@TomasVotruba this one alternative is ready for review 👍

• applied JsonOutputFactory for json builder
• add e2e test for run parallel and add handle fix for it

[peterfox]

Looks good to me

[TomasVotruba]

Let's ship it then, thank you guys 🙏

[github-actions]

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