Ask which file to open if package: uri has multiple matches from a terminal Ctrl+Click #5692

Is your feature request related to a problem? Please describe.
If you have two projects in a folder/VS Code workspace, and they both depend on the same package for different versions (or if any is the actual package and the other is from pub), we are currently assuming one of the package: uris to open.

Describe the solution you'd like
I'd like to be asked what file to open.

Describe alternatives you've considered
Knowing which file it refers to and opening it manually.

Additional context

1. Clone https://github.com/fmorschel/package_uri_repro
2. Pub get
3. Run repro/bin/dart on the terminal and Ctrl + Click the URI.