refactor: address frontend review feedback

src/features/tbank-connection/ui/TbankConnectionSection/TbankConnectionSection.test.tsx

@@ -77,7 +77,7 @@ function renderSection(client: QueryClient) {
 
 function seededClient() {
 	const client = createTestQueryClient();
-	/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+
 	client.setQueryData(brokerageAccountsQueryKey, [
 		{
 			id: "account-1",
@@ -85,7 +85,7 @@ function seededClient() {
 			openedOn: null,
 			type: "BROKERAGE",
 		},
-		/* eslint-enable unicorn/no-null */
+
 	]);
 	client.setQueryData(portfolioQueryKey, { source: "previous-connection" });
 	client.setQueryData(stockQueryKey, { source: "previous-connection" });
@@ -157,10 +157,9 @@ describe("TbankConnectionSection", () => {
 
 				return reads === 1
 					? HttpResponse.json({ code: "TBANK_UNAVAILABLE" }, { status: 503 })
-					/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+
 					: HttpResponse.json(
 							{ connected: false, connectedAt: null },
-							/* eslint-enable unicorn/no-null */
 						);
 			}),
 		);