MDL-51684 badges: Make sure 'moodle/badges:viewbadges' is respected

Credit to Yuliya Bozhko.

badges/overview.php

@@ -61,6 +61,8 @@ $PAGE->set_heading($badge->name);
 $PAGE->set_title($badge->name);
 $PAGE->navbar->add($badge->name);
 
+require_capability('moodle/badges:viewbadges', $context);
+
 echo $OUTPUT->header();
 echo $OUTPUT->heading(print_badge_image($badge, $context, 'small') . ' ' . $badge->name);
 
@@ -75,4 +77,4 @@ echo $output->print_badge_status_box($badge);
 $output->print_badge_tabs($badgeid, $context, 'overview');
 echo $output->print_badge_overview($badge, $context);
 
-echo $OUTPUT->footer();
+echo $OUTPUT->footer();

badges/view.php

@@ -75,6 +75,8 @@ if ($type == BADGE_TYPE_SITE) {
     $PAGE->set_heading($title);
 }
 
+require_capability('moodle/badges:viewbadges', $PAGE->context);
+
 $PAGE->set_title($title);
 $output = $PAGE->get_renderer('core', 'badges');
 
@@ -103,4 +105,4 @@ if ($totalcount) {
     echo $output->notification(get_string('nobadges', 'badges'));
 }
 
-echo $output->footer();
+echo $output->footer();