Description:

In the current demo, the model selector menu displays the models with different groups; each group title is not prominent and can be mistaken for one of the selectable items.

Action Required:

• Making the section title bolder
• Adding a divider line to better separate groups

Acceptance Criteria:

• Make UI adjustments to the menu so it appears more prominent using PF6 group dropdown menu patterns  

Reference left: current UI
Reference right: Proposed UI style