provider fix (#3187)

* clean horizontal scrollbar

* provider fix

* ensure proper migration

* k

* update migration

* Revert "clean horizontal scrollbar"

This reverts commit fa592a1b7a.

web/src/app/admin/configuration/llm/CustomLLMProviderUpdateForm.tsx

@@ -142,6 +142,8 @@ export function CustomLLMProviderUpdateForm({
           },
           body: JSON.stringify({
             ...values,
+            // For custom llm providers, all model names are displayed
+            display_model_names: values.model_names,
             custom_config: customConfigProcessing(values.custom_config_list),
           }),
         });