use relative path for scope (#16714)

HolgerHuo · web-flow · commit 209f8f3a60e6 · 2021-09-08T23:33:36.000+02:00
Use relative path for `scope` in web manifest to allow users use PWA correctly via alternate domains.
diff --git a/app/serializers/manifest_serializer.rb b/app/serializers/manifest_serializer.rb
@@ -48,7 +48,7 @@ def start_url
   end
 
   def scope
-    root_url
+    '/'
   end
 
   def share_target
