列配置使用customcell进行表格合并时，customCell方法内部逻辑会重复触发多一次 #7764
Description
- I have searched the issues of this repository and believe that this is not a duplicate.
Version
3.2.20
Environment
vue 3.4
Reproduction link
Steps to reproduce
What is expected?
列配置使用customcell进行表格合并时，customCell方法内部逻辑只执行一次
What is actually happening?
列配置使用customcell进行表格合并时，customCell方法内部逻辑会重复触发多一次