pass jquery obj to togglePopover in help_popover

ee/app/assets/javascripts/vue_shared/security_reports/components/help_popover.vue

@@ -20,8 +20,9 @@ export default {
     },
   },
   mounted() {
-    $(this.$el)
-      .popover({
+    const $el = $(this.$el);
+
+    $el.popover({
       html: true,
       trigger: 'focus',
       container: 'body',
@@ -34,7 +35,7 @@ export default {
     .on('mouseleave', debouncedMouseleave(300))
     .on('inserted.bs.popover', inserted)
     .on('show.bs.popover', () => {
-        window.addEventListener('scroll', togglePopover.bind(this.$el, false), { once: true });
+      window.addEventListener('scroll', togglePopover.bind($el, false), { once: true });
     });
   },
 };