FIX: Removes the csv-sniffer in favour of a simple guess

This removes 500Kb form the was build so it is worth it.
We were using a very old version of the sniffer, the last one might not
have this bug though

webapp/src/components/editor/editor.tsx

@@ -248,6 +248,7 @@ const Editor = (options: EditorOptions) => {
             maskRef.current.style.top = `-${textareaRef.current.scrollTop}px`;
           }
         }}
+        onPaste={(event) => event.stopPropagation()}
       />
     </div>
   );