Allow filtering the admin reports query

This allows to filter the orders by currency or other custom criteria
Revert "Allow filtering the admin reports query"

This reverts commit 01429af39841b644b9bf4a906cffea7e803099cd.
Allow other plugins filter products in WC_Meta_Box_Product_Data

The custom query used in WC_Meta_Box_Product_Data::output cannot be
filtered as it's missing suppress_filters = 0 (by default on)