Merge PR #949 into 18.0

Signed-off-by pedrobaeza

Author: OCA-git-bot

helpdesk_mgmt/views/helpdesk_ticket_templates.xml

@@ -432,6 +432,7 @@
                 method="POST"
                 class="form-horizontal mt32"
                 enctype="multipart/form-data"
+                onsubmit="this.querySelector('button[type=submit]').disabled = true;"
             >
                 <input
                     type="hidden"
@@ -533,7 +534,10 @@
                 </div>
                 <div class="form-group">
                     <div class="col-md-offset-3 col-sm-offset-4 col-sm-8 col-md-7">
-                        <button class="btn btn-primary btn-lg">Submit Ticket</button>
+                        <button
+                            type="submit"
+                            class="btn btn-primary btn-lg"
+                        >Submit Ticket</button>
                     </div>
                 </div>
             </form>