Feat: Hide the download button embedded in the agent page. (#14083)

### What problem does this PR solve?

Feat: Hide the download button embedded in the agent page.

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/components/next-message-item/group-button.tsx

@@ -39,6 +39,7 @@ interface IProps {
     doc_id: string;
     format: string;
   };
+  isShare?: boolean;
 }
 
 export const AssistantGroupButton = ({
@@ -50,6 +51,7 @@ export const AssistantGroupButton = ({
   showLoudspeaker = true,
   showLog = true,
   attachment,
+  isShare,
 }: IProps) => {
   const { visible, hideModal, showModal, onFeedbackOk, loading } =
     useSendFeedback(messageId);
@@ -115,7 +117,7 @@ export const AssistantGroupButton = ({
             <NotebookText className="size-4" />
           </ToggleGroupItem>
         )}
-        {!!attachment?.doc_id && (
+        {!!attachment?.doc_id && !isShare && (
           <ToggleGroupItem
             value="g"
             onClick={async () => {

web/src/components/next-message-item/index.tsx

@@ -246,6 +246,7 @@ function MessageItem({
                         showLoudspeaker={showLoudspeaker}
                         showLog={showLog}
                         attachment={item.attachment}
+                        isShare={isShare}
                       ></AssistantGroupButton>
                     )}
                     {!isShare && (