Add ClearTrigger to default Combobox examples for both React and Svelte

Co-authored-by: Hugos68 <63101006+Hugos68@users.noreply.github.com>

Author: Copilot

sites/skeleton.dev/src/components/examples/framework-components/combobox/react/default.tsx

@@ -45,6 +45,7 @@ export default function Default() {
 				<Combobox.Input />
 				<Combobox.Trigger />
 			</Combobox.Control>
+			<Combobox.ClearTrigger>Clear All</Combobox.ClearTrigger>
 			<Portal>
 				<Combobox.Positioner className="z-[1]!">
 					<Combobox.Content>

sites/skeleton.dev/src/components/examples/framework-components/combobox/svelte/default.svelte

@@ -35,7 +35,10 @@
 </script>
 
 <Combobox class="w-full max-w-md" placeholder="Search..." {collection} {onOpenChange} {onInputValueChange}>
-	<Combobox.Label>Label</Combobox.Label>
+	<header class="flex justify-between items-end">
+		<Combobox.Label>Label</Combobox.Label>
+		<Combobox.ClearTrigger>Clear</Combobox.ClearTrigger>
+	</header>
 	<Combobox.Control>
 		<Combobox.Input />
 		<Combobox.Trigger />