added slug as combobox values

frontend/components/global/ComboBox.vue

@@ -4,10 +4,12 @@
 type OptionChildren = {
     id: number | string;
     name: string;
+    slug: string;
 };
 
 type Option = {
     name: string;
+    slug: string;
     children: OptionChildren[];
 };
 
@@ -39,7 +41,7 @@ watch(
     () => value.value,
     (newValue) => {
         if (!!newValue) {
-            emit("update:modelValue", newValue.id);
+            emit("update:modelValue", newValue.slug);
         }
     }
 );