### Is there an existing issue for this? - [x] I have searched the existing issues ### What happened? - The application currently accepts duplicate wallet addresses when adding contacts to favorites. ### Steps To Reproduce - Navigate to the Wallet section. - Go to the Send option. - Click on the Contacts icon. - Select Favorites from the header. - Add a contact with a wallet address that already exists in the favorites list (for either Stellar or TFChain). - Observe that the app accepts the duplicate address without any error message. ### Relevant screenshots/screen records https://github.com/user-attachments/assets/887d08b5-83cc-4f90-b8fd-11a057f47112 ### Relevant log output ```console n/a ```
Is there an existing issue for this?
What happened?
Steps To Reproduce
Relevant screenshots/screen records
sc.mp4
Relevant log output
n/a