fix empty models

frontend/src/views/dashboard/KeyNew.vue

@@ -207,7 +207,7 @@ const newApiKey = ref({
   model_prefix: '',
   model_alias: '',
   parameters: '{}',
-  support_models: '',
+  support_models: '[]',
   support_models_array: [],
 })
 
@@ -224,7 +224,7 @@ const resetNewApiKey = () => {
     model_prefix: '',
     model_alias: '',
     parameters: '{}',
-    support_models: '',
+    support_models: '[]',
     support_models_array: [],
   }
 }