chore: finish frontend ESLint migration #18

Enable every plugin recommended preset and replace Biome with ESLint formatting.

Preserve API contracts and JSX whitespace; verify source, tests, builds and tooling.

src/app/ui/AppBreadcrumbs/AccountBreadcrumbs.tsx

@@ -1,6 +1,9 @@
 import type { FC } from "react";
+
 import { useTranslation } from "react-i18next";
+
 import { useBrokerageAccounts } from "@/entities/brokerage-account";
+
 import { BreadcrumbTrail } from "./BreadcrumbTrail";
 
 type AccountBreadcrumbsProps = {
@@ -12,11 +15,11 @@ const AccountBreadcrumbs: FC<AccountBreadcrumbsProps> = (props) => {
 	const { accountId, section } = props;
 	const { data: accounts } = useBrokerageAccounts();
 	const { t } = useTranslation();
-	const accountName =
-		accountId === "all"
+	const accountName
+		= accountId === "all"
 			? t("accounts.all")
-			: (accounts?.find((account) => account.id === accountId)?.name ??
-				t("breadcrumbs.accountFallback"));
+			: (accounts?.find(account => account.id === accountId)?.name
+				?? t("breadcrumbs.accountFallback"));
 	const accountPath = `/accounts/${accountId}`;
 	const items = [
 		{ label: t("breadcrumbs.accounts"), to: "/accounts" },