Migrate pillar and formula data on minion id change

[aaannz]

What does this PR change?

When salt client change its minion id, uyuni correctly recognized this and adapt the database entry. However do nothing else and pillar data together with formula data are not renamed/recreated. This then causes missing pillar information for new minion id.

GUI diff

No difference.

• DONE

Documentation

• No documentation needed: bugfix

• DONE

Test coverage

• Unit tests TODO

• Cucumber tests were added

• DONE

Links

Fixes https://github.com/SUSE/spacewalk/issues/10496
Tracks # add downstream PR, if any

• DONE

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[aaannz]

@ncounter As the https://github.com/SUSE/spacewalk/issues/10496 is assigned to naica, can you suggest someone to take a look at this? Preferable this week so that it can make it to 4.0.5?

[admd]

Just left some small nitpicks.

[aaannz]

@admd Thanks for taking a look. I updated PR with your feedback.

[admd]

Thank you. JFYI, Can has also made changes into License file yesterday. https://github.com/uyuni-project/uyuni/pull/1867/files.