Implemented additional audio for mirror from Maggie; fixed shader flash

on damage from hitting glass shards.

sounds/Ambient 1.0.wav.import

@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://c4rr5yd22wmof"
+path="res://.godot/imported/Ambient 1.0.wav-7eb74b277d0ccdf0e9132ce95904b256.sample"
+
+[deps]
+
+source_file="res://sounds/Ambient 1.0.wav"
+dest_files=["res://.godot/imported/Ambient 1.0.wav-7eb74b277d0ccdf0e9132ce95904b256.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=2
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=2