fix: Set grass item texture

resources/blocks/005_grass.tres

@@ -9,6 +9,8 @@ material_texture = ExtResource("1_n4fyn")
 id = "005"
 name = "Grass"
 amount = 0
+max_stack_size = 999
+max_number_stacks = 0
 description = "Block of grass and dirt"
-item_texture = "uid://li36txj7oweq"
+item_texture = "uid://bgo4mb3atmbot"
 metadata/_custom_type_script = "uid://dwrmy4mx0mw18"