Decline empty comment

[blackcoder87]

Description

• Decline empty comment in article and user module.

PHP Fatal error:  Uncaught TypeError: Ilch\Comments::saveComment(): Argument #2 ($text) must be of type string, null given, called in application/modules/article/controllers/Index.php on line 157 and defined in application/libraries/Ilch/Comments.php:426
Stack trace:
#0 application/modules/article/controllers/Index.php(157): Ilch\Comments->saveComment()
#1 application/libraries/Ilch/Page.php(243): Modules\Article\Controllers\Index->showAction()
#2 application/libraries/Ilch/Page.php(137): Ilch\Page->loadController()
#3 index.php(68): Ilch\Page->loadPage()
#4 {main}
  thrown in application/libraries/Ilch/Comments.php on line 426, referer: index.php/article/index/show/id/1

PHP Fatal error:  Uncaught TypeError: Ilch\Comments::saveComment(): Argument #2 ($text) must be of type string, null given, called in application/modules/user/controllers/Profil.php on line 52 and defined in application/libraries/Ilch/Comments.php:426
Stack trace:
#0 application/modules/user/controllers/Profil.php(52): Ilch\Comments->saveComment()
#1 application/libraries/Ilch/Page.php(243): Modules\User\Controllers\Profil->indexAction()
#2 application/libraries/Ilch/Page.php(137): Ilch\Page->loadController()
#3 index.php(68): Ilch\Page->loadPage()
#4 {main}
  thrown in application/libraries/Ilch/Comments.php on line 426, referer: index.php/user/profil/index/user/1

Type of change

• Bug fix (non-breaking change which fixes an issue)

This PR has been tested in the following browsers:

• Chrome
• Firefox
• Opera
• Edge