Fix cauterization spam from space damage (#32080)

Content.Server/Body/Components/BloodstreamComponent.cs

@@ -111,6 +111,13 @@ public sealed partial class BloodstreamComponent : Component
         [DataField]
         public SoundSpecifier BloodHealedSound = new SoundPathSpecifier("/Audio/Effects/lightburn.ogg");
 
+        /// <summary>
+        /// The minimum amount damage reduction needed to play the healing sound/popup.
+        /// This prevents tiny amounts of heat damage from spamming the sound, e.g. spacing.
+        /// </summary>
+        [DataField]
+        public float BloodHealedSoundThreshold = -0.1f;
+
         // TODO probably damage bleed thresholds.
 
         /// <summary>

Content.Server/Body/Systems/BloodstreamSystem.cs

@@ -241,7 +241,7 @@ private void OnDamageChanged(Entity<BloodstreamComponent> ent, ref DamageChanged
         }
 
         // Heat damage will cauterize, causing the bleed rate to be reduced.
-        else if (totalFloat < 0 && oldBleedAmount > 0)
+        else if (totalFloat <= ent.Comp.BloodHealedSoundThreshold && oldBleedAmount > 0)
         {
             // Magically, this damage has healed some bleeding, likely
             // because it's burn damage that cauterized their wounds.