fix(vmbda): allow wffc hotplugs

[Isteb4k]

Description

1. vmbda condition BlockDeviceReady waits until the disk is wffc or ready, after which it performs a hot plug to the virtual machine (from this moment the disk is considered attached to the virtual machine)
2. vd does not allow editing the spec if the disk is attached to the virtual machine or Ready
3. vmbda CRD gen2
4. vmbda uses condition builder to manage conditions

Checklist

• The code is covered by unit tests.
• e2e tests passed.
• Documentation updated according to the changes.
• Changes were tested in the Kubernetes cluster manually.