use relative path for `scope` (#16714)

Use relative path for `scope` in web manifest to allow users use PWA correctly via alternate domains.

1 files changed, 1 insertions, 1 deletions

diff --git a/app/serializers/manifest_serializer.rb b/app/serializers/manifest_serializer.rb
index dafe8f55b..4786aa760 100644
--- a/app/serializers/manifest_serializer.rb
+++ b/app/serializers/manifest_serializer.rb
@@ -48,7 +48,7 @@ class ManifestSerializer < ActiveModel::Serializer
   end
 
   def scope
-    root_url
+    '/'
   end
 
   def share_target