[Due for payment 2026-03-11] [Insights] Splitting an expense doesn't update the merchant list, and the older expense shows "not here" page

https://github.com/Expensify/App/pull/80672#issuecomment-3809199256 

CC: @puneetlath @neil-marcellini @cristipaval @TaduJR @ShridharGoel @shubham1206agra

<details><summary>Issue Owner</summary>Current Issue Owner: @trjExpensify</details>