Angular 10 Upgrade Issue: Module Not Found for '@ng-bootstrap/ng-bootstrap/util/positioning'

I'm currently upgrading my Angular application from version 8 to version 10. During the build process, I encountered the following error:

ERROR in ./src/app/components/input/typeahead.ts Module not found: Error: Can't resolve 'node_modules/@ng-bootstrap/ng-bootstrap/util/positioning'

- **Angular Version**: Upgraded to 10

- **ng-bootstrap Version**: 7.x

- **Issue**: The build process fails with the error above.

Steps Taken:

1. **Verified Installation**: Confirmed that `@ng-bootstrap/ng-bootstrap` is installed.

2. **Checked Import Paths**: Ensured import paths in `typeahead.ts` are correct.

3. **Version Adjustments**: Tried upgrading and downgrading `@ng-bootstrap/ng-bootstrap` versions.

4. **Reinstalled Dependencies**: Deleted `node_modules` and reinstalled using `npm install`.

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