Steps to reproduce the issue

1. Create an article, add a unique word and let Smart Search index it.
2. Use the smart search and check the article is being found
3. Add a finish publish date to the article which is before today
4. Use the smart search again and confirm the article is not shown in the results anymore
5. Edit the article and clear the finish publish date, article is published in frontend again
6. Use the smart search again, the article is still not shown in the results

Expected result

Step 6) Smart search should update the finish publish date and show the result again

Actual result

Step 6) Smart search does not update the finish publish date

System information (as much as possible)

Joomla 5.3.4.