This possibly is an unsupported modification, so you have been warned.
update savedquerybase
set columnsetxml = '<columnset version="3.0"><column>productid</column><column>priceperunit</column><column>quantity</column><column>extendedamount</column><column>quotedetailid</column><ascend>productid</ascend></columnset>'
where name = 'Quote Product Associated View'
This SQL Statement modifies the QuoteDetail Associated View to remove the filter that specifies the view to show only the products that have the "isproductoverridden" set to 0