Allow virtual parts for Bom item (#10243)

- Closes https://github.com/inventree/InvenTree/issues/10238

src/frontend/src/forms/BomForms.tsx

@@ -23,8 +23,8 @@ export function bomItemFields(): ApiFormFieldSet {
     },
     sub_part: {
       filters: {
-        component: true,
-        virtual: false
+        active: true, // Only show active parts when creating a new BOM item
+        component: true
       }
     },
     quantity: {},