Fix installation bug, global parameter not mandatory

src/Entity/GlobalParameter.php

@@ -72,7 +72,7 @@ class GlobalParameter
     private $description;
 
     /**
-     * @ORM\Column(type="text")
+     * @ORM\Column(type="text", nullable=true)
      */
     private $value;
 

src/Form/Type/GlobalParameterType.php

@@ -49,7 +49,6 @@ class GlobalParameterType extends AbstractType
     {
         $resolver->setDefaults([
             'data_class' => GlobalParameter::class,
-            'required' => true,
             'name_param' => '',
             '_placeholder' => '',
             '_mandatory' => true,

src/Migrations/Version20221009123707.php

+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20221009123707 extends AbstractMigration
+{
+    public function getDescription() : string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema) : void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE global_parameter CHANGE value value LONGTEXT DEFAULT NULL');
+    }
+
+    public function down(Schema $schema) : void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE global_parameter CHANGE value value LONGTEXT CHARACTER SET utf8mb3 NOT NULL COLLATE `utf8mb3_general_ci`');
+    }
+}