Failed to analyte table and reported ERROR 1105 (HY000)

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)
1. prepare a v7.5.6 cluster and do backup
2. restore dataset to v8.5.4
3. analyze table on v8.5.4

### 2. What did you expect to see? (Required)
succeed to analyze
### 3. What did you see instead (Required)
ERROR 1105 (HY000): [kv:1062]Duplicate entry '?' for key 'stats_histograms.PRIMARY'
### 4. What is your TiDB version? (Required)

| Release Version: v8.5.4
Edition: Enterprise
Git Commit Hash: 1366faeae8c2f5855d99352de50245da4e3a853f
Git Branch: HEAD
UTC Build Time: 2025-10-30 12:09:37
GoVersion: go1.23.12
Race Enabled: false
Check Table Before Drop: false
Store: tikv
Enterprise Extension Commit Hash: 7d43ff65ebc145bd63fa84cb368f8775be906998 |