fix: support multi-zone topology scheduling for persistent volumes

[tallaxes]

Fixes #2742

Description

Fixes volume topology scheduling to correctly handle multiple topology terms in PersistentVolumes and StorageClasses.

• Refactor VolumeTopology.getRequirements() to return NodeSelectorTerm slices instead of flat NodeSelectorRequirement slices to preserve OR semantics across multiple topology terms
• Update getStorageClassRequirements() to process all allowed topologies, not just the first one
• Update getPersistentVolumeRequirements() to process all node selector terms, not just the first one
• Implement proper cartesian product computation of node affinity terms in the Inject() method
• Add test coverage for multi-term topology scenarios

How was this change tested?

• Unit tests

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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This pull-request has been approved by: tallaxes
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[coveralls]

Pull Request Test Coverage Report for Build 20792216085

Details

• 49 of 51 (96.08%) changed or added relevant lines in 2 files are covered.
• 21 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.1%) to 80.379%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/controllers/provisioning/scheduling/volumetopology.go	36	38	94.74%

Files with Coverage Reduction	New Missed Lines	%
pkg/controllers/provisioning/scheduling/nodeclaim.go	3	89.63%
pkg/controllers/disruption/consolidation.go	4	88.0%
pkg/controllers/provisioning/scheduling/preferences.go	7	88.76%
pkg/controllers/provisioning/scheduling/topologynodefilter.go	7	79.55%

Totals
Change from base Build 20736781005:	-0.1%
Covered Lines:	11970
Relevant Lines:	14892

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💛 - Coveralls