Update status and conditions of the cnbi resource to match the updated design doc

[codificat]

Following the updated state diagram and conditions introduced in https://github.com/thoth-station/opendatahub-cnbi/pull/13, update the controller to implement them

[codificat]

/kind feature /wg cnbi /priority critical-urgent

[VannTen]

Could we add some acceptance criteria here ? Suggestions:

• [ ] PackageList matches https://github.com/thoth-station/opendatahub-cnbi#build-based-on-a-list-of-python-packages-packagelist
• [ ] ImportImages matches https://github.com/thoth-station/opendatahub-cnbi#import-image-from-an-external-registry-importimage
• [ ] ...

[goern]

/unassign /priority backlog