Describe the bug
When running flutter in web inside a workspace, the breakpoints keep being unverified
It's not possible to debug with breakpoints

To Reproduce
Create a dart workspace with 2 flutter projects
Run a project in web
Add a breakpoint
The breakpoint will stay unverified

Expected behavior
Breakpoints should work the same in a workspace as in a normal project

• Operating System and version: macOS 15.1.1 (24B91)
• VS Code version: 1.96.2
• Dart extension version: 3.102.0
• Dart/Flutter SDK version: 3.6.0 / 3.27.1
• Target device (if the issue relates to Flutter debugging): Chrome 131.0.6778.205