fix: empty cell data renders in list (#699)

src/admin/components/views/collections/List/Cell/field-types/Code/index.tsx

@@ -3,9 +3,7 @@ import React from 'react';
 import './index.scss';
 
 const CodeCell = ({ data }) => {
-  let textToShow = '';
-
-  if (data) textToShow = data.length > 100 ? `${data.substr(0, 100)}\u2026` : data;
+  const textToShow = data.length > 100 ? `${data.substring(0, 100)}\u2026` : data;
 
   return (
     <code className="code-cell">

src/admin/components/views/collections/List/Cell/index.tsx

@@ -31,7 +31,7 @@ const DefaultCell: React.FC<Props> = (props) => {
     wrapElementProps.to = `${admin}/collections/${slug}/${id}`;
   }
 
-  const CellComponent = cellComponents[field.type];
+  const CellComponent = cellData && cellComponents[field.type];
 
   if (!CellComponent) {
     return (