Fixed recipe gold_fiber.json (#353)

Just fixed the recipe to use grass instead of a grass block, that's it.

Author: echohunter221

Diff for: src/main/resources/data/naturesaura/recipes/gold_fiber.json

@@ -10,7 +10,7 @@
             "tag": "forge:nuggets/gold"
         },
         "G": {
-            "item": "minecraft:grass_block"
+            "item": "minecraft:short_grass"
         },
         "L": {
             "tag": "minecraft:leaves"