fix: correct aria-current condition for nested routes in brand store models

Author: edisile

static/js/publisher/components/PrimaryNav/PrimaryNav.tsx

@@ -104,8 +104,9 @@ function PrimaryNav(): React.JSX.Element {
                         component: NavLink,
                         to: `/admin/${storeId}/models`,
                         icon: "models",
-                        "aria-current":
-                          location.pathname === `/admin/${storeId}/models`,
+                        "aria-current": location.pathname.includes(
+                          `/admin/${storeId}/models`,
+                        ),
                       }
                     : null,
                   brandId