Fix: Creating Knowledge Base Support Enter Key (#7258)

### What problem does this PR solve?


[https://github.com/infiniflow/ragflow/issues/7180](https://github.com/infiniflow/ragflow/issues/7180)
When creating a knowledge base, support the enter key
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/pages/chat/chat-configuration-modal/index.tsx

@@ -142,6 +142,18 @@ const ChatConfigurationModal = ({
     }
   }, [initialDialog, form, visible, modelId]);
 
+  const handleKeyDown = (e: React.KeyboardEvent) => {
+    // Allow Enter in textareas
+    if (e.target instanceof HTMLTextAreaElement) {
+      return;
+    }
+
+    if (e.key === 'Enter' && !e.shiftKey) {
+      e.preventDefault();
+      handleOk();
+    }
+  };
+
   return (
     <Modal
       title={title}
@@ -171,6 +183,7 @@ const ChatConfigurationModal = ({
         style={{ maxWidth: 600 }}
         validateMessages={validateMessages}
         colon={false}
+        onKeyDown={handleKeyDown}
       >
         {Object.entries(segmentedMap).map(([key, Element]) => (
           <Element