Update method calls to match changes in BlockBundle

Block/AdminListBlockService.php

@@ -60,7 +60,7 @@ class AdminListBlockService extends BaseBlockService
             }
         }
 
-        return $this->renderResponse($this->pool->getTemplate('list_block'), array(
+        return $this->renderPrivateResponse($this->pool->getTemplate('list_block'), array(
             'block'         => $blockContext->getBlock(),
             'settings'      => $settings,
             'admin_pool'    => $this->pool,

Block/AdminSearchBlockService.php

@@ -78,7 +78,7 @@ class AdminSearchBlockService extends BaseBlockService
             $blockContext->getSetting('per_page')
         );
 
-        return $this->renderResponse($admin->getTemplate('search_result_block'), array(
+        return $this->renderPrivateResponse($admin->getTemplate('search_result_block'), array(
             'block'         => $blockContext->getBlock(),
             'settings'      => $blockContext->getSettings(),
             'admin_pool'    => $this->pool,

composer.json

@@ -32,7 +32,7 @@
         "knplabs/knp-menu-bundle": "~1.1",
         "sonata-project/jquery-bundle": "1.8.*",
         "sonata-project/exporter": "1.*",
-        "sonata-project/block-bundle": "~2.2,>=2.2.1",
+        "sonata-project/block-bundle": "~2.2,>=2.2.7",
         "doctrine/common": "~2.2"
     },
     "require-dev": {