fixes list formatting on CSPM Findings page (#6544)

docs/cloud-native-security/cspm-findings.asciidoc

@@ -22,6 +22,7 @@ By default, the Findings page lists all findings, without grouping or filtering.
 === Group findings 
 
 Click **Group findings by** to group your data by a field. Select one of the suggested fields or **Custom field** to choose your own. You can select up to three group fields at once.
+
 . When grouping is turned on, click a group to expand it and examine all sub-groups or findings within that group.
 . To turn off grouping, click **Group findings by** and select **None**.