adjust port check

lib/download_utils.rb

@@ -52,7 +52,8 @@ module DownloadUtils
   end
 
   def validate_uri!(uri)
-    raise UnableToDownload, "Error loading: #{uri}. Only HTTPS is allowed." if uri.scheme != 'https' || uri.port != 443
+    raise UnableToDownload, "Error loading: #{uri}. Only HTTPS is allowed." if uri.scheme != 'https' ||
+                                                                               [443, nil].exclude?(uri.port)
     raise UnableToDownload, "Error loading: #{uri}. Can't download from localhost." if uri.host.in?(LOCALHOSTS)
   end
 

lib/send_webhook_request.rb

@@ -22,7 +22,7 @@ module SendWebhookRequest
     end
 
     if Docuseal.multitenant?
-      raise HttpsError, 'Only HTTPS is allowed.' if (uri.scheme != 'https' || uri.port != 443) &&
+      raise HttpsError, 'Only HTTPS is allowed.' if (uri.scheme != 'https' || [443, nil].exclude?(uri.port)) &&
                                                     !AccountConfig.exists?(key: :allow_http,
                                                                            account_id: webhook_url.account_id)
       raise LocalhostError, "Can't send to localhost." if uri.host.in?(LOCALHOSTS)