[NetAppFiles] Update azure-mgmt-netapp version to 2.0.0

[hildurhodd]

Description

• Update azure-mgmt-netapp dependency to version 2.0.0 and additions from that version added.
• Migration of Python SDK from Track1 to Track2 changes.

Version 2.0.0 of Python SDK includes track 1 to track 2 migration along with additions from netapp API version 2020-12-01. User experience is not affected from the migration changes.

Migration changes are:

• LRO operations are renamed to begin_xxx_xxx, for example in track1, the name is create_or_update; while in track2, the name is begin_create_or_update. This is only method name, not operation name.
• In track2, SDK parameters are not flattened, so we need pass object parameter instead of flattened parameters to SDK. So more custom commands have been added instead of generic.
• In track2, use ClientAuthenticationError, HttpResponseError, ResourceExistsError and ResourceNotFoundError instead of CloudError.
• Fix some tests due to changes in track2.

Other changes:

• Tests added and updated and new recordings made for all the tests.
• Help was updated according to API changes.
• Backup operations set to preview since it is only in private preview.
• Backup tests marked to be skipped due to instability in CBS

Testing Guide

History Notes

[NetAppFiles] az netappfiles account ad add: Optional parameter added named allow-local-ldap-users
[NetAppFiles] az netappfiles volume create: Optional parameter added named ldap-enabled
[NetAppFiles] az netappfiles volume backup status show: Operation added

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[yonzhan]

NetAppFiles