Fix egg importing from seeder

Author: DaneEveritt

app/Services/Eggs/Sharing/EggUpdateImporterService.php

@@ -87,7 +87,9 @@ public function handle(Egg $egg, UploadedFile $file)
             'name' => object_get($parsed, 'name'),
             'description' => object_get($parsed, 'description'),
             'features' => object_get($parsed, 'features'),
-            'docker_image' => object_get($parsed, 'image'),
+            // Maintain backwards compatibility for eggs that are still using the old single image
+            // string format. New eggs can provide an array of Docker images that can be used.
+            'docker_images' => object_get($parsed, 'images') ?? [object_get($parsed, 'image')],
             'config_files' => object_get($parsed, 'config.files'),
             'config_startup' => object_get($parsed, 'config.startup'),
             'config_logs' => object_get($parsed, 'config.logs'),