Fetch web app metadata when creating RS auth

app/models/remote_storage_authorization.rb

@@ -64,6 +64,7 @@ class RemoteStorageAuthorization < ApplicationRecord
     def find_or_create_web_app
       if looks_like_hosted_origin?
         web_app = AppCatalog::WebApp.find_or_create_by!(url: self.url)
+        web_app.update_metadata unless web_app.name.present?
         self.web_app = web_app
         self.app_name = web_app.name.presence || client_id
       else