[release-v1.55] Fix Portworx CSI storage capabilities

[arnongilboa]

Manual backport of #2789, plus minor alignments with main branch.

What this PR does / why we need it:
Fix Portworx provisioner capabilities and add preferred ReadWriteMany, Filesystem.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes bz #2237873

Special notes for your reviewer:

Release note:

Fix Portworx provisioner capabilities and add preferred ReadWriteMany, Filesystem.

[akalenyu]

We may need #2427 for pull-cdi-verify-go-mod
Hopefully it's a straightforward cherry pick

Regarding the hpp timeout - weird, let's see if it persists
/test pull-containerized-data-importer-e2e-hpp-previous
EDIT: same problem on main, so potentially something with latest HPP?
https://prow.ci.kubevirt.io/view/gs/kubevirt-prow/pr-logs/pull/kubevirt_containerized-data-importer/2813/pull-containerized-data-importer-e2e-hpp-previous/1704052336235646976

[akalenyu]

/test pull-containerized-data-importer-e2e-hpp-previous

[awels]

/retest-required

[awels]

/test pull-cdi-verify-go-mod

[awels]

/lgtm
/approve

[kubevirt-bot]

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