feat: Delete the files uploaded in the external dialog box #1880 (#1967)

### What problem does this PR solve?

feat: Delete the files uploaded in the external dialog box #1880

### Type of change


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

web/src/pages/chat/share/large.tsx

@@ -65,6 +65,7 @@ const ChatContainer = () => {
         </Flex>
 
         <MessageInput
+          isShared
           value={value}
           disabled={false}
           sendDisabled={sendDisabled}