Recommender Flow: Refactor Styles and Flow based on design

[karenlpassmore]

Update the UI and styles for the Recommender Flow to reflect the designs here under the Recommend All Skills section: https://www.figma.com/make/V5n42CyW8KcC5HjJrRMxJq/Skills-AI-Extraction?p=f&t=J9JEw8jQTyaJRBLS-0