CSV Extract from NeoDash adds quotes and leading white space

neo4j-labs#363

Author: JonanOribe

src/chart/ChartUtils.ts

@@ -164,10 +164,14 @@ export const downloadCSV = (rows) => {
     headers.forEach((header) => {
       // Parse value
       let value = row[header];
-      if (value && 'low' in value) {
+      if (value?.low !== undefined) {
         value = value.low;
       }
-      csv += `${JSON.stringify(value)}`;
+      if(typeof value === 'string'){
+        csv += value;
+      }else{
+        csv += `${JSON.stringify(value)}`;
+      }
       csv += headers.indexOf(header) < headers.length - 1 ? ',' : '';
     });
     csv += '\n';