Fix stack overflow error with workflow metadata

[bentsherman]

Close #5986

To be fair, I'm not entirely sure why this getter was here in the first place. Looking at this commit it seems to be related to the execution report. I guess we'll see what the tests have to say...

[netlify[bot]]

✅ Deploy Preview for nextflow-docs-staging ready!

Name	Link
🔨 Latest commit	adc0057ae21370db791ab79fa76086bfabc0d857
🔍 Latest deploy log	https://app.netlify.com/projects/nextflow-docs-staging/deploys/685f31c8d7e9590008c11f29
😎 Deploy Preview	https://deploy-preview-5988--nextflow-docs-staging.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[pditommaso]

Yeah, it seems has been added to make it work the workflow report. better verify there's. no regression with it

[pditommaso]

Any chance to capture in a test what's fixing this?

[bentsherman]

Added a unit test, also checked the report and it is still rendering correctly

[pditommaso]

Nice