Vocabulary items count doesn't get updated

[Guybrush88]

To Reproduce Steps to reproduce the behavior:

1. Go to https://tatoeba.org/it/vocabulary/add_sentences/ita
2. Click on "0 sentences" next to the word 'cardatura'
3. See the page that opens when clicking '0 sentences (https://tatoeba.org/en/sentences/search?query=%3D%22cardatura%22&from=ita&orphans=&unapproved=)
4. The list of vocabulary items shows zero sentences containing the word "cardatura", but the page that gets opened (https://tatoeba.org/en/sentences/search?query=%3D%22cardatura%22&from=ita&orphans=&unapproved=) shows that there are 5 sentences containing that word.

Expected behavior The number of existing sentences should be properly shown in every page of such search pages.

Screenshots (if applicable)

Additional information (if relevant)

• O.S.: Windows 11
• Browser: Firefox 126.0 (64 bit)