Allow project imports first before package imports

[dark-chocolate]

Steps to Reproduce

1. Import firebase_auth package
2. Create a User class.
3. In a different directory, type User.

Try to import the User class.

Screenshot:

The options show the package imports first before the project's import. I think we should first prioritize the project's imports.

Flutter doctor

[✓] Flutter (Channel master, 3.5.0-10.0.pre.17, on macOS 12.6 21G115 darwin-arm64, locale en-US)
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[✓] Android Studio (version 2021.2)
[✓] IntelliJ IDEA Community Edition (version 2021.3.2)
[✓] VS Code (version 1.72.2)
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[stevemessick]

Closing this one since the issue has been duplicated in the proper repo. Thanks for the suggestion!