feat: not choose model hide in node

web/app/components/workflow/nodes/llm/node.tsx

@@ -14,13 +14,16 @@ const Node: FC<NodeProps<LLMNodeType>> = ({
   const {
     textGenerationModelList,
   } = useTextGenerationCurrentProviderAndModelAndModelList()
+  const hasSetModel = provider && modelId
   return (
     <div className='px-3'>
+      {hasSetModel && (
         <ModelSelector
-        defaultModel={(provider || modelId) ? { provider, model: modelId } : undefined}
+          defaultModel={{ provider, model: modelId }}
           modelList={textGenerationModelList}
           readonly
         />
+      )}
     </div>
   )
 }

web/app/components/workflow/nodes/question-classifier/node.tsx

@@ -22,13 +22,17 @@ const Node: FC<NodeProps<QuestionClassifierNodeType>> = (props) => {
   const {
     textGenerationModelList,
   } = useTextGenerationCurrentProviderAndModelAndModelList()
+  const hasSetModel = provider && modelId
+
   return (
     <div className='px-3'>
+      {hasSetModel && (
         <ModelSelector
-        defaultModel={(provider || modelId) ? { provider, model: modelId } : undefined}
+          defaultModel={{ provider, model: modelId }}
           modelList={textGenerationModelList}
           readonly
         />
+      )}
       <div className='mt-2 space-y-0.5'>
         {topics.map((topic, index) => (
           <div