Beaver Builder Mega Menu Hierarchy For Sub Products

I would like our Beaver Builder Mega Menu to indent, or organize, sub/child categories under their parent categories as it’s categorized in Product Categories:

All Products

  • Stainless Steel
    – 1.00"
  • Aluminum
    – 1.00"
    – 0.75"
  • Thermoplastic
    – 1.00"
    – 0.75"
    – 0.7"
    – 0.6"

Below is a screenshot of the current Beaver Builder Mega Menu:

Below is a Screen Shot of what we would like the Beaver Builder Mega Menu to look like: