webui: apply webui_settings on first load (#18223)

* webui: apply webui_settings on first load

The webui_settings from /props were not applied on initial load
when default_generation_settings.params was null

Now syncs whenever serverProps is available, regardless of params,
works for both single-model and router modes

* chore: update webui build output

tools/server/webui/src/routes/+layout.svelte

@@ -119,7 +119,7 @@
 	$effect(() => {
 		const serverProps = serverStore.props;
 
-		if (serverProps?.default_generation_settings?.params) {
+		if (serverProps) {
 			settingsStore.syncWithServerDefaults();
 		}
 	});