Fixed conditional running of notification creation

packages/weatheralerts.yaml

@@ -1600,10 +1600,16 @@ script:
         data:
           notification_id: "weatheralerts_alert"
         ## Create a new persistant notification in the UI for a new alert
-      - service: >
+      - if:
+          - condition: template
+            value_template: >
               {% if states.sensor.weatheralerts.state != '0' %}
-            persistent_notification.create
+                true
+              {% else %}
+                false
               {% endif %}
+        then:
+          - service: persistent_notification.create
             data:
               notification_id: "weatheralerts_alert"
               message: "{{ message }}"