Do not show OVAL details for notapplicable rules

With this patch, we won't show OVAL details for notapplicable rules.
The reason is that if a rule is notapplicable the OVAL isn't evaluated
at all. Also, the users are interested only in the CPE OVAL.

Fixes: #241

openscap_report/report_generators/html_templates/rule_detail.html

@@ -234,12 +234,14 @@
  </tr>
  {% endif %}
  {% include "remedations.html" %}
- {% include "oval_definition_detail.html" %}
- <tr role="row">
- <td colspan="2" role="cell">
- {%- include "oval_graph.html" %}
- </td>
- </tr>
+ {% if rule.result != "notapplicable" %}
+ {% include "oval_definition_detail.html" %}
+ <tr role="row">
+ <td colspan="2" role="cell">
+ {%- include "oval_graph.html" %}
+ </td>
+ </tr>
+ {% endif %}
  {% if rule.cpe_tree -%}
  <tr role="row">
  <th class="pf-m-fit-content" role="rowheader" scope="row"><b>CPE check:</b></th>