ui: trailing whitespace cleanup

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

www/Dashboard.js

@@ -235,11 +235,11 @@ Ext.define('PMG.dashboard.SubscriptionInfo', {
 		data.icon = 'check green';
 		data.message = gettext('Your subscription status is valid.');
 		break;
-	    case 1: 
+	    case 1:
 		data.icon = 'exclamation-triangle yellow';
 		data.message = gettext('Warning: Your subscription levels are not the same.');
 		break;
-	    case 0: 
+	    case 0:
 		data.icon = 'times-circle red';
 		data.message = gettext('You have at least one node without subscription.');
 		break;