refactor: tighten types and reuse instrument UI

src/pages/account/model/positions.fixtures.ts

@@ -1,6 +1,6 @@
 import type { Portfolio } from "@/entities/portfolio";
 
-const portfolio: Portfolio
+const portfolio
 	= {
 		cashBalances: [{ currency: "USD", value: "1" }],
 		isStale: true,
@@ -42,10 +42,10 @@ const portfolio: Portfolio
 				ticker: null,
 				type: "FUND",
 			},
-		],
+		] satisfies [Portfolio["positions"][number], ...Portfolio["positions"]],
 		structure: { currencies: [], unvaluedCategories: [] },
 		totalsByCurrency: [{ currency: "RUB", value: "150" }],
-	};
+	} satisfies Portfolio;
 
 const position: Portfolio["positions"][number] = {
 	...portfolio.positions[0],