refactor: cleanup CommonJsScanner

[bvanjoi]

Fixes #5197

This PR incorporates:

1. Cleanup of the CommonJsScanner;
2. Ensuring that RuntimeGlobals::Module is appended in CommonJsSelfReferenceDependency, aligned with the existing Webpack behavior: https://github.com/webpack/webpack/blob/main/lib/dependencies/CommonJsSelfReferenceDependency.js#L129-L131
3. move get_referenced_exports and get_condition from ModuleDependency to Dependency
4. remove the ModuleDpenendecy implement for CommonJsSelfReferenceDependency
5. Add NullDependency trait

[LingyuCoder]

Does the issue #5197 resolved by this pr?

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. If this pull request is still relevant, please leave any comment (for example, "bump").

[hardfist]

close for outdated