Visible Floating Resource Art Present Whenever Conveyer Receptacles are Used

Whenever I supply resources using conveyer receptacles the resource's art starts appearing above every other layer on the screen soon after the conveyer rail is filled. It's purely graphical but it's still unpleasing to look at, and reloading the game does not fix it.

In my opinion there should be an option to disable resource art rendering on conveyer rails completely, since they also reduce the performance of the game. No other system in the game (not liquid, gas, or anything else) renders individual resource art on tiles.