Merge pull request #3683 from Vizzuality/fix/tsc-tooltip-showing-perm-drivers

Fix/only show perm separator statement when present

Author: edbrett

app/javascript/components/widgets/widgets/forest-change/tree-loss-tsc/selectors.js

@@ -158,10 +158,12 @@ export const parseConfig = createSelector(
         .reverse()
     );
     const insertIndex = findIndex(tooltip, { key: 'class_5' });
-    tooltip.splice(insertIndex, 0, {
-      key: 'break',
-      label: 'Drivers of permanent deforestation:'
-    });
+    if (insertIndex > -1) {
+      tooltip.splice(insertIndex, 0, {
+        key: 'break',
+        label: 'Drivers of permanent deforestation:'
+      });
+    }
     return {
       height: 250,
       xKey: 'year',