Show "full" paths in the /file command output (#15483)

Same as /tabs command outputs them

Before:
![Screenshot 2024-07-30 at 16 52
11](https://github.com/user-attachments/assets/acf1c79e-4607-41fc-bd5e-b20dc668eff4)

![Screenshot 2024-07-30 at 16 52
03](https://github.com/user-attachments/assets/dd7fa42f-3ba8-4f1c-9420-2a0246df64b7)

After:
![Screenshot 2024-07-30 at 16 53
16](https://github.com/user-attachments/assets/ee866ecb-2142-4303-9385-c6b856310d43)

![Screenshot 2024-07-30 at 16 53
21](https://github.com/user-attachments/assets/d42b9c77-d5e9-4aaf-8de9-3b160078e622)


Release Notes:

- N/A