Fix installation migration bug

[timkelty]

Exception: Calling unknown method: craft\console\Request::getBodyParam() (/var/www/html/vendor/yiisoft/yii2/base/Component.php:310)
#0 /var/www/html/vendor/verbb/comments/src/services/Comments.php(996): yii\base\Component->__call()
#1 /var/www/html/vendor/verbb/comments/src/migrations/Install.php(29): verbb\comments\services\Comments->saveFieldLayout()
#2 /var/www/html/vendor/craftcms/cms/src/db/Migration.php(50): verbb\comments\migrations\Install->safeUp()
#3 /var/www/html/vendor/craftcms/cms/src/db/MigrationManager.php(233): craft\db\Migration->up()
#4 /var/www/html/vendor/craftcms/cms/src/base/Plugin.php(144): craft\db\MigrationManager->migrateUp()
#5 /var/www/html/vendor/craftcms/cms/src/services/Plugins.php(538): craft\base\Plugin->install()
#6 /var/www/html/vendor/craftcms/cms/src/console/controllers/PluginController.php(281): craft\services\Plugins->installPlugin()
#7 /var/www/html/vendor/craftcms/cms/src/console/controllers/PluginController.php(143): craft\console\controllers\PluginController->_installPluginByHandle()
#8 [internal function]: craft\console\controllers\PluginController->actionInstall()
#9 /var/www/html/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array()
#10 /var/www/html/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams()
#11 /var/www/html/vendor/yiisoft/yii2/console/Controller.php(180): yii\base\Controller->runAction()
#12 /var/www/html/vendor/craftcms/cms/src/console/ControllerTrait.php(89): yii\console\Controller->runAction()
#13 /var/www/html/vendor/craftcms/cms/src/console/Controller.php(216): craft\console\Controller->traitRunAction()
#14 /var/www/html/vendor/yiisoft/yii2/base/Module.php(552): craft\console\Controller->runAction()
#15 /var/www/html/vendor/yiisoft/yii2/console/Application.php(180): yii\base\Module->runAction()
#16 /var/www/html/vendor/craftcms/cms/src/console/Application.php(91): yii\console\Application->runAction()
#17 /var/www/html/vendor/yiisoft/yii2/console/Application.php(147): craft\console\Application->runAction()
#18 /var/www/html/vendor/craftcms/cms/src/console/Application.php(122): yii\console\Application->handleRequest()
#19 /var/www/html/vendor/yiisoft/yii2/base/Application.php(384): craft\console\Application->handleRequest()
#20 /var/www/html/craft(13): yii\base\Application->run()
#21 {main}
*** failed to install comments: An error occurred while executing the "verbb\comments\migrations\Install migration: Calling unknown method: craft\console\Request::getBodyParam()

[engram-design]

Thanks @timkelty !