Fix Protect-RubrikVM on 5.2 and various fixes

[jaapbrasser]

Description

Fixes issues with Protect-RubrikVM

Related Issue

Resolves #689
Resolves #692

Motivation and Context

Protect-RubrikVM did not function as intended on 5.2 because of new endpoint that has been introduced

How Has This Been Tested?

Existing tests passed and new tests added where appropriate.

Screenshots (if appropriate):

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

Go over all the following points, and put an x in all the boxes that apply. If you're unsure about any of these, don't hesitate to ask. We're here to help!

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTION document.
• I have updated the CHANGELOG file accordingly for the version that this merge modifies.
• I have added tests to cover my changes.
• All new and existing tests passed.

[jaapbrasser]

Closing PR as #714 added these changes