Do not grantTeacherAccess for students

view.php

@@ -45,7 +45,6 @@ $coursecontext = context_course::instance($course->id);
 // the teacher has access to all the missions and classes used in this course
 $isTeacher = has_capability('moodle/course:manageactivities', $coursecontext)
     || has_capability('mod/labnbook:addinstance', $coursecontext);
-helper::grantTeacherAccess($course->id);
 
 /*
 $event = \mod_labnbook\event\course_module_viewed::create(array(
@@ -70,6 +69,7 @@ $templateData = [
     'redirecturl' => $fetcher->getRedirectUrl(),
 ];
 if ($isTeacher) {
+    helper::grantTeacherAccess($course->id);
     // editing teacher view
     $templateName = 'view_teacher';
     $templateData['token_teaming'] = $fetcher->getTeamingTokenForRedirect($moduleinstance->labnbook_teamconfigid);