I don't think we can edit like that "No".
Please check this article here --->https://kb.tableau.com/articles/knowledgebase/working-with-tableau-data-extracts
Please mark the answer as CORRECT & HELPFUL if it really helped you so that it can help others as well
I briefly checked the link provided but I couldnt find the answer.
Does it mean that one you create an extract is not possible to change the query/source?