MDL-50340 adminstration: Fix restore course links

admin/settings/courses.php

@@ -46,7 +46,7 @@ if ($hassiteconfig or has_any_capability($capabilities, $systemcontext)) {
     $ADMIN->add('courses',
         new admin_externalpage('restorecourse', new lang_string('restorecourse', 'admin'),
             new moodle_url('/backup/restorefile.php', array('contextid' => context_system::instance()->id)),
-            array('moodle/course:create')
+            array('moodle/restore:restorecourse')
         )
     );
 

lib/coursecatlib.php

@@ -2401,7 +2401,7 @@ class coursecat implements renderable, cacheable_object, IteratorAggregate {
      * @return bool
      */
     public function can_restore_courses_into() {
-        return has_capability('moodle/course:create', $this->get_context());
+        return has_capability('moodle/restore:restorecourse', $this->get_context());
     }
 
     /**

lib/navigationlib.php

@@ -4601,7 +4601,7 @@ class settings_navigation extends navigation_node {
         }
 
         // Restore.
-        if (has_capability('moodle/course:create', $catcontext)) {
+        if (has_capability('moodle/restore:restorecourse', $catcontext)) {
             $url = new moodle_url('/backup/restorefile.php', array('contextid' => $catcontext->id));
             $categorynode->add(get_string('restorecourse', 'admin'), $url, self::TYPE_SETTING, null, 'restorecourse', new pix_icon('i/restore', ''));
         }