fix: replace {__} workaround with clean range() helper in Svelte templates

frontend/src/lib/components/admin/BusinessSettings.svelte

@@ -14,6 +14,7 @@
 	import type { BusinessSettings } from '$lib/types/settings';
 	import { isValidUKPhone, toE164UK, normalisePhoneInput } from '$lib/utils/phone';
 	import { isValidEmail, normalizeEmail } from '$lib/utils/email';
+	import { range } from '$lib/utils/format';
 
 	let settings = $state<BusinessSettings | null>(null);
 	let loading = $state(true);
@@ -286,8 +287,7 @@
 	<Card.Content>
 		{#if loading}
 			<div class="space-y-4">
-				{#each Array(3) as __, i (i)}
-					{__}
+				{#each range(3) as i (i)}
 					<div class="space-y-2">
 						<Skeleton class="h-4 w-32" />
 						<Skeleton class="h-5 w-full" />