fix: Resolve HTML validation errors in Mustache templates by updating form attributes

Author: erseco

Diff for: templates/report_actionbar.mustache

@@ -38,7 +38,7 @@
         "downloadtext": "http://localhost/moodle/mod/exescorm/report.php?id=143&mode=basic&attemptsmode=0&sesskey=AmfcC7riSb&download=CSV"
     }
 }}
-<div class="container-fluid tertiary-navigation">
+<form method="post" action="your-action-url" class="d-flex flex-wrap align-items-center" id="your-form-id">
     <div class="row">
         {{#exescormreports}}
             <div class="navitem">
@@ -60,4 +60,4 @@
             </div>
         {{/candownload}}
     </div>
-</div>
+</form>

Diff for: templates/user_report_actionbar.mustache

@@ -33,7 +33,7 @@
         "heading": "Sub page heading"
     }
 }}
-<div class="container-fluid tertiary-navigation">
+<form method="post" action="your-action-url" class="d-flex flex-wrap align-items-center" id="your-form-id">
     <div class="row">
         <div class="navitem">
             <a class="btn btn-secondary mr-2" href="{{backurl}}">{{#str}}back, core {{/str}}</a>
@@ -44,5 +44,5 @@
             </div>
         {{/userreport}}
     </div>
-</div>
+</form>
 {{#heading}}<h2>{{heading}}</h2>{{/heading}}