[next-gen on clould] tidb log always prints warning "There is no Write MVCC info for the schema version"

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)
1、br restore tpcc data to keyspace1
2、br restore sysbench data to keyspace2
3、run tpcc with 32 threads and sysbench with 32 threads

### 2. What did you expect to see? (Required)
No exception log

### 3. What did you see instead (Required)
tidb log always prints warning "There is no Write MVCC info for the schema version"


### 4. What is your TiDB version? (Required)
Release Version: v9.0.0-next-gen
Edition: Community
Git Commit Hash: be88d5ffc2b3f6d7b7bb1287de642fcd251134bc
Git Branch: heads/refs/tags/v9.0.0-next-gen
UTC Build Time: 2025-05-20 11:15:45
GoVersion: go1.23.9
Race Enabled: false
Check Table Before Drop: false
Store: unistore
Kernel Type: Next Generation