fix(reported_content): sanitize report URLs

mod/reportedcontent/actions/reportedcontent/add.php

@@ -18,7 +18,7 @@
 $report = new ElggReportedContent();
 $report->owner_guid = elgg_get_logged_in_user_guid();
 $report->title = $title;
-$report->address = $address;
+$report->address = elgg_normalize_site_url($address);
 $report->description = $description;
 $report->access_id = $access;