replace br tags w/ div

components/Blocks/TextBlock/RenderYJSFragment.tsx

···
         return (
           <BlockWrapper wrapper={wrapper} attrs={attrs}>
             {children.length === 0 ? (
-              <br />
+              <div />
             ) : (
               node
                 .toArray()
···
         );
       }
       case "hard_break":
-        return <br />;
+        return <div />;
       default:
         return null;
     }