fix edge cases in report generation

with xml parsing
error > system
disable email by default

app/templates/logs/system.html.j2

@@ -0,0 +1,15 @@
+{% extends 'base.html.j2' %}
+
+{% block title %}LOGS{% endblock %}
+
+{% block content_before %}
+ LOGS - {{ config.APP_NAME }}
+{% endblock %}
+
+{% block content_override %}
+  <div class="bg-white mx-5 p-3 rounded">
+    <code>
+      {{ logs }}
+    </code>
+  </div>
+{% endblock %}