fix alignment for notification settings ajax response

app/controllers/notification_settings_controller.rb

@@ -37,7 +37,11 @@ class NotificationSettingsController < ApplicationController
 
   def render_response
     render json: {
-      html: view_to_html_string("shared/notifications/_button", notification_setting: @notification_setting),
+      html: view_to_html_string(
+        "shared/notifications/_button",
+        notification_setting: @notification_setting,
+        left_align: @notification_setting.source.nil?
+      ),
       saved: @saved
     }
   end