Improve LSP button error message (#46377)

Greatly increases max width of the message we show, but truncates the
message to only ever show the first line

| LSP | OLD | NEW |
|-|-|-|
| JSON | <img width="720" height="199" alt="image"
src="https://github.com/user-attachments/assets/77c2299a-0fd7-4210-9e50-b99c60b07f54"
/> | <img width="1219" height="205" alt="Screenshot 2026-01-08 at 11 13
07 AM"
src="https://github.com/user-attachments/assets/dfdb53a6-56e4-483a-8abc-25d99f0a5ae6"
/> |
| PS1 | <img width="743" height="205" alt="image"
src="https://github.com/user-attachments/assets/378d5d41-a005-4205-b3fc-956e227321c5"
/> | <img width="1219" height="205" alt="Screenshot 2026-01-08 at 11 19
13 AM"
src="https://github.com/user-attachments/assets/b8d05fb1-20f8-4983-be94-cb5735d84faf"
/> |


Release Notes:

- N/A
9f8dd4c163Ben Kunkle committed on 1/8/2026, 4:27:00 PM· committed by GitHubparent7f64503
1 file changedLine totals unavailable