DEV: only load staff logs when page is visited

Previously we would load admin staff action logs unconditionally as soon
as the controller was instantiated, this is not desirable we only want to
run the query when you visit the route.

app/assets/javascripts/admin/routes/admin-logs-staff-action-logs.js

@@ -9,6 +9,11 @@ export default DiscourseRoute.extend({
     });
   },
 
+  activate() {
+    let controller = this.controllerFor("admin-logs-staff-action-logs");
+    if (controller.filters === null) controller.resetFilters();
+  },
+
   actions: {
     showDetailsModal(model) {
       showModal("admin-staff-action-log-details", { model, admin: true });