branch-4.0: [fix](cloud) Refresh base tablet before schema change V1 #64312#64429
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Related PR: #62272 Problem Summary: Cloud schema change retries could keep registering a stale alter version after a cross-V1 compaction conflict. The retry path synced the base tablet only up to the request alter version, so a local base tablet whose max version already exceeded that request could skip refreshing newer visible rowsets. When a new schema-change tablet had a compaction rowset crossing the stale V1, every retry reused that V1 and eventually exhausted the retry limit. This change refreshes the base tablet without capping sync by the request alter version before computing schema change V1, allowing retries to register a fresh boundary. It also adds a docker regression case that blocks schema change, creates a cross-V1 retry, injects stale local max-version state for query-version sync, and verifies the retry finishes after the base tablet is refreshed. ### Release note Fix cloud schema change retry stale V1 failure.
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Cherry-picked from #64312