What

• After searching products in the search box, the sort by dropdown does not work:
  • Results are not sorted
  • There is a blank value in the dropdown

Resulting url has 2 sort_by fields, with the last one with a ? instead of & :

http://world.openfoodfacts.localhost/cgi/search.pl?action=process&search_terms=coca&sort_by=unique_scans_n&page_size=24?sort_by=last_modified_t

Reported by Olaf Görlitz on Slack:
https://openfoodfacts.slack.com/archives/CUZK65DGE/p1700749241876539 (includes video)

Part of

• 🔎 Search (Tracking bug) #5492