branch-4.0: [fix](load) rebuild broker load storage properties after Gson replay #63094#63176
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…63094) ### What problem does this PR solve? Problem Summary: Broker load jobs may fail after FE restart, image load, or edit log replay in cloud mode. `StorageDesc.storageProperties` is not persisted by Doris's Gson configuration, so after deserialization the `BrokerDesc` inside `BrokerLoadJob` can keep `storageType` and raw `properties` but lose the derived `storageProperties` object. When the pending task later tries to create a filesystem and list source files, FE cannot reconstruct the expected storage backend state and the load may fail with errors such as `Unknown storage type`. This PR fixes the issue by rebuilding `storageProperties` from `storageType`, `name`, and `properties` after Gson replay, and also lazily reinitializing it on access as a safety net.
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yiguolei
approved these changes
May 13, 2026
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Cherry-picked from #63094