[5.4.10] cherry-pick ZSTAC 5.x storage fixes

[MatheMatrix]

Summary

Cherry-pick 5.x storage-related fixes for the 5.4.10 unresolved ZSTAC batch, excluding ZSTAC-78301 as requested.

Included Jira

• ZSTAC-86342 via ZSTAC-80468
• ZSTAC-86313 via ZSTAC-79756
• ZSTAC-86308 via ZSTAC-61889

Commits

• [migration]: fix failed to start vm after ceph to ceph offline migration.
• [sharedblock]: convert memory snapshot install path from absolute path to protocol path
• [snapshot]: ZSTAC-61889 handle late snapshot success

Testing

• git diff --check zstack/5.4.10..HEAD

Related: ZSTAC-86342 ZSTAC-86313 ZSTAC-86308 ZSTAC-86316 ZSTAC-86295 ZSTAC-86297 ZSTAC-86339 ZSTAC-86331 ZSTAC-84638

sync from gitlab !10315

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📥 Commits

Reviewing files that changed from the base of the PR and between f3fd7fa and eabf476.

⛔ Files ignored due to path filters (1)

• conf/springConfigXml/volumeSnapshot.xml is excluded by !**/*.xml

📒 Files selected for processing (6)

• compute/src/main/java/org/zstack/compute/vm/VmInstanceBase.java
• conf/db/upgrade/V5.4.10__schema.sql
• header/src/main/java/org/zstack/header/storage/snapshot/VolumeSnapshotDBSyncExtensionPoint.java
• plugin/kvm/src/main/java/org/zstack/kvm/KVMHost.java
• storage/src/main/java/org/zstack/storage/snapshot/VolumeSnapshotManagerImpl.java
• test/src/test/groovy/org/zstack/test/integration/storage/snapshot/CreateSnapshotRollbackAfterDataPlaneSuccessCase.groovy

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