Fixed possible undefined condition if element is not defined. (#1190)

Co-authored-by: Benjamin Perez <benjamin@bexsoft.net>
Co-authored-by: Daniel Valdivia <18384552+dvaldivia@users.noreply.github.com>

portal-ui/src/screens/Console/Buckets/ListBuckets/Objects/ObjectDetails/ObjectDetails.tsx

@@ -481,7 +481,7 @@ const ObjectDetails = ({
       },
       disableButtonFunction: (item: string) => {
         const element = versions.find((elm) => elm.version_id === item);
-        return (element && element.is_delete_marker)
+        return ((element && element.is_delete_marker) || false);
       },
     },
   ];