Table: add space between values on JSONViewCell (#42156) (#42214)

fixes #42024

(cherry picked from commit 3110a9c238)

Co-authored-by: Derik Evangelista <derik.evangelista@grafana.com>

packages/grafana-ui/src/components/Table/JSONViewCell.tsx

@@ -23,7 +23,7 @@ export function JSONViewCell(props: TableCellProps): JSX.Element {
       value = JSON.parse(value);
     } catch {} // ignore errors
   } else {
-    displayValue = JSON.stringify(value);
+    displayValue = JSON.stringify(value, null, ' ');
   }
 
   const content = <JSONTooltip value={value} />;