config: fix select type defaults after #5357 (#5372)

For trigger set config ui that has a select box, the default was not
being set. This would only have broken #5367 at this point.

Huge thanks to @Legends0 for a ton of help tracking this down.

resources/user_config.ts

@@ -504,7 +504,7 @@ class UserConfig {
         else if (typeof value === 'string')
           output[opt.id] = parseFloat(value);
       } else {
-        options[opt.id] = value;
+        output[opt.id] = value;
       }
     }
   }