Fix health HUD reference

player/player.tscn

@@ -8,7 +8,7 @@
 [ext_resource type="Script" uid="uid://lavpkfgmvc82" path="res://player/health.gd" id="3_t8epa"]
 [ext_resource type="Script" uid="uid://c3ly8e6oigxab" path="res://player/network.gd" id="4_w24id"]
 [ext_resource type="Script" uid="uid://cx5bh024nq4ot" path="res://player/inventory.gd" id="5_0sdk6"]
-[ext_resource type="Texture2D" uid="uid://3m3yv5gi6t35" path="res://world/blocks/simple.png" id="6"]
+[ext_resource type="Texture2D" uid="uid://330jkioh2ivo" path="res://world/blocks/plastic.png" id="6"]
 [ext_resource type="Texture2D" uid="uid://dkbjlb3ie6eo7" path="res://item/guns/ColtSingleActionArmy.png" id="7"]
 [ext_resource type="Script" uid="uid://dv62vpu4lkr87" path="res://item/creative_building.gd" id="7_x7c3f"]
 [ext_resource type="Texture2D" uid="uid://bwk4k706icgq" path="res://item/guns/DoubleBarrel.png" id="9"]