change fern loot tables to add straw

kubejs/server_scripts/main_server_script.js

@@ -179,6 +179,7 @@ TFCEvents.data(event => {
  */
 LootJS.modifiers((event) => {
 	registerAdAstraLoots(event)
+	registerBeneathLoots(event)
 	registerTFGOreLoots(event)
 	registerLootrLoots(event)
 	registerPrimitiveCreaturesLoots(event)