Closes #38057

This PR fixes that you can no longer create breakpoints inside the
breakpoint editor in code called `BreakpointPromptEditor`. As you can
see, inside the after video, there is no breakpoint editor created
anymore.

**Before**


https://github.com/user-attachments/assets/c4e02684-ac40-4176-bd19-f8f08e831dde

**After**


https://github.com/user-attachments/assets/f5b1176f-9545-4629-be12-05c64697a3de

Release Notes:

- Debugger: Prevent breakpoints from being created inside the breakpoint
editor