CHANGE save and return return to link after approving a course

Original Issue: https://lab.it.hs-hannover.de/elc/moodle/-/issues/49

pending.php

@@ -64,7 +64,18 @@ if (!empty($approve) and confirm_sesskey()) {
 
     if ($courseid !== false) {
         if (has_capability('moodle/course:update', context_course::instance($courseid))) {
-            redirect(new moodle_url('/course/edit.php', ['id' => $courseid, 'returnto' => 'pending']));
+            // > Hsh julian wendling - changed "save and return" link to go back to hsh pending page
+            $returnurl = new moodle_url($baseurl);
+            
+            $saveandbackurl = new moodle_url($CFG->wwwroot . '/course/edit.php', array(
+                        'id' => $courseid,
+                        'sesskey' => sesskey(),
+                        'returnto' => 'url',
+                        'returnurl' => $returnurl->out(false))
+                    );
+            
+            redirect(new moodle_url($saveandbackurl->out()));
+            // < Hsh julian wendling
         } else {
             redirect(new moodle_url('/course/view.php', ['id' => $courseid]));
         }