Missing Crafting Filter Icon on Scrapbook for Recipes with Alternative Names

Some recipes in the code have alternative names such as "wendy_butterfly" from Wendy's skill tree and thus they don't get a proper Crafting Filter icon on the Scrapbook.

I get its because the devs probably don't want Twigs from Wilson' skill tree having a crafting entry in the Scrapbook but this also affects mods that add recipes in a similar way. Hope these recipes can get a optional param to set the desired crafting filter icon in Scrapbook.

Recipe2("wendy_butterfly", {Ingredient("ghostflower", 2), Ingredient("butterflywings", 1)}, TECH.NONE, 
{
    builder_skill = "wendy_ghostflower_butterfly", 
    product       = "butterfly",
    image         = "butterfly.tex"
})

It should have Wendy's icon near the craftable description.