Feature: When pasting a table, it does not work if there are merged cells in the target table.

[dineug2]

Description

When pasting a table, it does not work if there are merged cells in the target table.

Current Behavior

https://github.com/user-attachments/assets/24dfeff4-5b77-42e1-8857-33971bfbff5f

Expected Behavior

https://github.com/user-attachments/assets/f3df4552-ee8b-4cc3-8288-b08936b5c36a

Impact

• Enhances user experience through more intuitive table operations.