Fix: The Context Generator(Transformer) node can only be followed by a Tokenizer(Indexer) and a Context Generator(Transformer). #9869 (#10515)

### What problem does this PR solve?

Fix: The Context Generator node can only be followed by a Tokenizer and
a Context Generator. #9869
### Type of change


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

web/src/components/file-upload-dialog/index.tsx

@@ -98,7 +98,7 @@ export function FileUploadDialog({
 
   return (
     <Dialog open onOpenChange={hideModal}>
-      <DialogContent className="sm:max-w-[425px]">
+      <DialogContent>
         <DialogHeader>
           <DialogTitle>{t('fileManager.uploadFile')}</DialogTitle>
         </DialogHeader>