fix: correct issue with The "No suitable component" error is appearing on the OpenAI component and other components due to a missing check (#3279)

src/frontend/src/CustomNodes/GenericNode/components/NodeInputField/index.tsx

@@ -137,8 +137,9 @@ export default function NodeInputField({
             )}
           </div>
         </div>
-
-        {displayHandle && (
+        {(Array.isArray(displayHandle)
+          ? displayHandle.length > 0
+          : displayHandle) && (
           <HandleRenderComponent
             left={true}
             nodes={nodes}