Fix migration issue

Author: Toon324

module.json

@@ -2,7 +2,7 @@
   "name": "custom-css",
   "title": "Custom Css",
   "description": "Add custom css to your world",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "minimumCoreVersion": "0.6.0",
   "compatibleCoreVersion": "0.6.0",
   "author": "Cody Swendrowski <cody@swendrowski.us>",

settingsForm.js

@@ -95,7 +95,12 @@ export class SettingsForm extends FormApplication {
                  */
                 get: function (sortable) {
                     var order = Settings.getOrder();
-                    return order ? order.split('|') : [];
+                    try {
+                        return order ? order.split('|') : [];
+                    }
+                    catch {
+                        return [];
+                    }
                 },
 
                 /**