fix: double text chip show null value (#1460)

Author: magrinj

front/src/modules/ui/table/editable-cell/type/components/GenericEditableDoubleTextChipCellDisplayMode.tsx

@@ -39,8 +39,7 @@ export function GenericEditableDoubleTextChipCellDisplayMode({
     }),
   );
 
-  const displayName =
-    firstValue || secondValue ? `${firstValue} ${secondValue}` : ' ';
+  const displayName = [firstValue, secondValue].filter(Boolean).join(' ');
 
   switch (columnDefinition.metadata.entityType) {
     case Entity.Company: {