### What happens? When trying to run the top_brands view defined in ecommerce.malloy, an error "Error: Path to structure not found 'gross_margin'" is thrown This happens for any view in which aggregates built on top of the *_gross_margin fields are used ### To Reproduce Run this view in ecommerce.malloy ``` view: top_products is { top: 5 group_by: inventory_items.product_name aggregate: total_sales, percent_of_sales, total_gross_margin, order_item_count } ``` ### OS: macOS ### Malloy Client: local VSCode ### Malloy Client Version: v0.3.1711050948 (pre-release) ### Database Connection: DuckDB