"Note" feature on Admin Recent Accounts prepopulates text that should not be there.

## Description

When adding a note to a recently flagged account, the text added to one account gets pre-populated to other shared accounts flagged as well.

## Steps to replicate
1. Sign in to Administration view
2. Go to Recent Accounts
3. Go to Accounts flagged
4. If there are more than one account, add a note to the first instance
5. Click to add a note to the second instance
6. See how text from the first prepopulates the second

[Private Zenhub Video](https://api.zenhub.com/attachedFiles/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBMzk0REE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--3aab617e98a107465f455fd29cfd3133835e8127/Screen%20Recording%202025-12-23%20at%201.36.23%E2%80%AFPM.mov)

Reproduce the issue through Administration view → Recent Accounts → Accounts flagged using the listed steps. Locate the Recent Accounts note interaction, then verify that entering text for one flagged account does not prepopulate the note for another and add a regression check for that behavior.

Written by the indexing model from the issue text.