Cherry pick Cleanup dockerRegistry status when buildless enabled

[MichalKalke]

Description

Changes proposed in this pull request:

• Cherry-pick Cleanup dockerRegistry status when buildless enabled #2116

Related issue(s)

• Serverless operator should cleanup build-related status from Serverless CR #2067

[cla-assistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
3 out of 4 committers have signed the CLA.

✅ kwiatekus
✅ pPrecel
✅ MichalKalke
❌ ottersbot
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[cla-assistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
3 out of 4 committers have signed the CLA.

✅ MichalKalke
✅ kwiatekus
✅ pPrecel
❌ ottersbot
_{You have signed the CLA already but the status is still pending? Let us recheck it.}