Corrections and improvements in the construction of the migration configuration forms.

Closes #3481428

src/Form/CreateMWDatabase.php

@@ -58,33 +58,32 @@ class CreateMWDatabase extends ConfigFormBase {
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
     $database_fields = [
-      $this->t('id'),
-      $this->t('migration_group'),
-      $this->t('key'),
-      $this->t('target'),
-      $this->t('host'),
-      $this->t('database'),
-      $this->t('username'),
-      $this->t('password'),
-      $this->t('prefix'),
-      $this->t('driver'),
-      $this->t('port'),
-      $this->t('namespace'),
-      $this->t('collation'),
-      $this->t('url_files_prod'),
+      'id' =>$this->t('Migration ID'),
+      'migration_group' => $this->t('Migration group'),
+      'key' => $this->t('Key'),
+      'target' => $this->t('Target'),
+      'host' => $this->t('Database host'),
+      'database' => $this->t('Database name'),
+      'username' => $this->t('Database username'),
+      'password' => $this->t('Database password'),
+      'prefix' => $this->t('Database prefix'),
+      'driver' => $this->t('Database driver'),
+      'port' => $this->t('Database port'),
+      'namespace' => $this->t('Database driver namespace'),
+      'collation' => $this->t('Database collation'),
+      'url_files_prod' => $this->t('Production URL'),
     ];
-    $use_envs = ['host', 'database', 'username', 'password'];
+    $use_envs = ['key', 'target', 'host', 'database', 'username', 'password'];
     $form['use_env'] = [
       '#type' => 'checkbox',
       '#title' => $this->t('Use .env *'),
     ];
-    foreach ($database_fields as $database_field) {
-      $database_field = $database_field->render();
+    foreach ($database_fields as $key => $database_field) {
       $title = $database_field;
-      if (in_array($database_field, $use_envs)) {
+      if (in_array($key, $use_envs)) {
         $title = $title . ' *';
       }
-      $form[$database_field] = [
+      $form[$key] = [
         '#type' => 'textfield',
         '#title' => $title,
         '#size' => '20',