chore: codify React component style

src/entities/brokerage-account/model/display.ts

@@ -1,11 +1,13 @@
 import type { BrokerageAccount } from "../api/useBrokerageAccounts";
 
-export function accountTypeKey(type: BrokerageAccount["type"]) {
+function accountTypeKey(type: BrokerageAccount["type"]) {
 	return `accounts.types.${type}` as const;
 }
 
-export function errorCode(error: unknown): string | undefined {
+function errorCode(error: unknown): string | undefined {
 	return typeof error === "object" && error !== null && "code" in error
 		? String(error.code)
 		: undefined;
 }
+
+export { accountTypeKey, errorCode };