update structure availability

objects/UI/inventory/build/build_container.gd

objects/UI/inventory/hotbar/hotbar_container.tscn

objects/pickupable/pickupable.tscn

objects/resources/plant_data/apple_plant_data.tres

objects/structures/plant.gd

objects/structures/plant.tscn

scripts/build/build_controller.gd

scripts/characters/actor_stats.gd

scripts/inventory/inventory_data_res.gd

scripts/inventory/player_inventory_data.tres

scripts/inventory/seed_item_res.gd

scripts/pickupable/pickupable.gd

scripts/resources/ItemDatabase.gd