bug #228 Fix Doctrine/Migrations configuration (Zales0123)

This PR was merged into the 1.0-dev branch.

Discussion
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The same as Sylius/InvoicingPlugin#195

Without this change, migrations are generated into the plugin's directory rather than `src/Migrations`.

Commits
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fe0deaa Fix Doctrine/Migrations configuration

src/DependencyInjection/SyliusRefundExtension.php

@@ -29,10 +29,15 @@ public function prepend(ContainerBuilder $container): void
             return;
         }
 
+        $doctrineConfig = $container->getExtensionConfig('doctrine_migrations');
+        $migrationsPath = (array) \array_pop($doctrineConfig)['migrations_paths'];
         $container->prependExtensionConfig('doctrine_migrations', [
-            'migrations_paths' => [
-                'Sylius\RefundPlugin\Migrations' => __DIR__ . '/../Migrations',
-            ],
+            'migrations_paths' => \array_merge(
+                $migrationsPath ?? [],
+                [
+                    'Sylius\RefundPlugin\Migrations' => '@SyliusRefundPlugin/Migrations',
+                ]
+            ),
         ]);
 
         $container->prependExtensionConfig('sylius_labs_doctrine_migrations_extra', [

tests/Application/config/packages/doctrine_migrations.yaml

@@ -2,3 +2,5 @@ doctrine_migrations:
     storage:
         table_storage:
             table_name: sylius_migrations
+    migrations_paths:
+        'App\Migrations': '%kernel.project_dir%/src/Migrations/'