Fix issue with deleting connections on default store (#265)

Author: camcuz97

app/code/Meta/BusinessExtension/Controller/Adminhtml/Ajax/Fbdeleteasset.php

@@ -157,15 +157,11 @@ public function executeForJson()
      */
     private function deleteConfigKeys($storeId)
     {
-        $this->systemConfig->saveConfig(
-            SystemConfig::XML_PATH_FACEBOOK_BUSINESS_EXTENSION_INSTALLED,
-            false,
-            $storeId,
-        );
         $this->systemConfig->deleteConfig(
             SystemConfig::XML_PATH_FACEBOOK_BUSINESS_EXTENSION_EXTERNAL_BUSINESS_ID,
             $storeId
         )
+            ->deleteConfig(SystemConfig::XML_PATH_FACEBOOK_BUSINESS_EXTENSION_INSTALLED, $storeId)
             ->deleteConfig(SystemConfig::XML_PATH_FACEBOOK_BUSINESS_EXTENSION_ACCESS_TOKEN, $storeId)
             ->deleteConfig(SystemConfig::XML_PATH_FACEBOOK_BUSINESS_EXTENSION_PAGE_ID, $storeId)
             ->deleteConfig(SystemConfig::XML_PATH_FACEBOOK_BUSINESS_EXTENSION_PAGE_ACCESS_TOKEN, $storeId)