fix: Update status design with NAR and delete

[mateusoliveira43]

Why the changes were made

Follow up of #23 to:

• add delete phase that will be introduced by Delete Velero Backup when user sets the deleteVeleroBackup #67
• add NonAdminRestore to design, that will be added by feat: Add Non Admin Restore controller #42

How to test the changes made

Read design and see if it is clear and the code follows it.

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This pull-request has been approved by: mateusoliveira43

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[mateusoliveira43]

Reading design I though about this: creating a struct that contains all velero things

• name
• namespace
• status

called veleroObject but it could be veleroBackup and veleroRestore for NAB and NAR respectively

What you think?

if you like, will delete veleroBackupName, veleroBackupNamespace and veleroBackupStatus from NonAdminBackupStatus; otherwise, I delete the added code