BpGroupCourses::tabLabel()

	protected function tabLabel()
    {
    	$default = __('Courses', 'buddyboss');

    	if (! $currentGroup = groups_get_current_group()) {
    		return $default;
    	}

    	$coursesCount = count(bp_learndash_get_group_courses($currentGroup->id));

    	return _nx('Course', 'Courses', $coursesCount, 'bp group tab name', 'buddyboss');
    }