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

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

@@ -5,6 +5,7 @@
 	import { CalendarDate, getLocalTimeZone, type DateValue } from '@internationalized/date';
 	import { isValidUKPhone, toE164UK } from '$lib/utils/phone';
 	import { formatUserName } from '$lib/utils/nameDisplay';
+	import { range } from '$lib/utils/format';
 
 	// UI Components
 	import * as Modal from '$lib/components/ui/dialog';
@@ -1145,10 +1146,8 @@
 							<div class="max-h-[300px] overflow-y-auto rounded-md border border-gray-200">
 								{#if loadingUsers}
 									<div class="space-y-2 p-2">
-										{#each Array(3) as __, i (i)}
-											{__}
+										{#each range(3) as i (i)}
 											<Skeleton class="h-10 w-full" />
-											{__}
 										{/each}
 									</div>
 								{:else if users.length === 0}
@@ -1259,10 +1258,8 @@
 					<Card.Content class="space-y-4">
 						{#if loadingServices}
 							<div class="grid grid-cols-1 gap-4 md:grid-cols-2">
-								{#each Array(4) as __, i (i)}
-									{__}
+								{#each range(4) as i (i)}
 									<Skeleton class="h-28 w-full" />
-									{__}
 								{/each}
 							</div>
 						{:else if services.length === 0}
@@ -1294,10 +1291,8 @@
 								</div>
 								{#if loadingCustomServices}
 									<div class="space-y-2">
-										{#each Array(3) as __, i (i)}
-											{__}
+										{#each range(3) as i (i)}
 											<Skeleton class="h-10 w-full" />
-											{__}
 										{/each}
 									</div>
 								{:else if customServices.length > 0}