`Node.add_storage` method fails when slices are created with `validate=True`

[mayani]

Node.add_storage method fails when slices are created with validate=True. The traceback is as below.

Traceback (most recent call last):
...
  File "/Users/mayani/.pyenv/versions/3.9.16/envs/oac/lib/python3.9/site-packages/fabrictestbed_extensions/fablib/node.py", line 1267, in add_component
    raise ValueError(error)
ValueError: Invalid Request: Requested Node cannot be accommodated by any of the hosts on site: UCSD. Details: Invalid Request: Host: ucsd-w3.fabric-testbed.net does not have the requested component: Storage-NAS.