Andrei Kvapil 47dbbb9538 feat(linstor): add linstor-csi patches for clone/snapshot relocation (#2133)
## Summary

- Remove merged RWX validation patch (`001-rwx-validation.diff`)
- Add new patch (`001-relocate-after-clone-restore.diff`) that includes:
  - Randomized node selection for snapshot restore
- `linstor.csi.linbit.com/relocateAfterClone` StorageClass parameter to
relocate replicas to optimal nodes after clone
- `snap.linstor.csi.linbit.com/relocate-after-restore`
VolumeSnapshotClass parameter to relocate replicas to optimal nodes
after snapshot restore
- Both parameters are **disabled by default**
- Placing the snapshot restore parameter in VolumeSnapshotClass prevents
unwanted relocation when Velero creates temporary PVCs during data mover
backup

Upstream PRs:
- https://github.com/piraeusdatastore/linstor-csi/pull/418
- https://github.com/piraeusdatastore/linstor-csi/pull/419

## Test plan

- [x] Clone a PVC and verify relocation logic executes
- [x] Restore a PVC from snapshot and verify replicas get migrated to
optimal nodes
- [x] Verified on dev5 cluster (3-node) — snapshot restore triggered
actual migration (node0 → node2)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

## Release Notes

* **New Features**
* Automatic resource relocation after clone and restore operations
optimizes storage placement and load balancing across nodes.
* RWX block attachment validation with optional disable flag ensures
proper multi-pod access control.

* **Chores**
  * Updated CDI clone strategy to use CSI-clone for improved efficiency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Cozystack Cozystack

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