Fix zipties/makeshift cuffs dropping multiple broken entities on removal (#23095)

Content.Shared/Cuffs/Components/HandcuffComponent.cs

@@ -45,6 +45,13 @@ public sealed partial class HandcuffComponent : Component
     [DataField, ViewVariables(VVAccess.ReadWrite)]
     public EntProtoId? BrokenPrototype;
 
+    /// <summary>
+    /// Whether or not these cuffs are in the process of being removed.
+    /// Used simply to prevent spawning multiple <see cref="BrokenPrototype"/>.
+    /// </summary>
+    [DataField]
+    public bool Removing;
+
     [DataField, ViewVariables(VVAccess.ReadWrite)]
     public DamageSpecifier DamageOnResist = new()
     {

Content.Shared/Cuffs/SharedCuffableSystem.cs

@@ -621,7 +621,7 @@ namespace Content.Shared.Cuffs
             if (!Resolve(target, ref cuffable) || !Resolve(cuffsToRemove, ref cuff))
                 return;
 
-            if (TerminatingOrDeleted(cuffsToRemove) || TerminatingOrDeleted(target))
+            if (cuff.Removing || TerminatingOrDeleted(cuffsToRemove) || TerminatingOrDeleted(target))
                 return;
 
             if (user != null)
@@ -632,6 +632,7 @@ namespace Content.Shared.Cuffs
                     return;
             }
 
+            cuff.Removing = true;
             _audio.PlayPredicted(cuff.EndUncuffSound, target, user);
 
             _container.Remove(cuffsToRemove, cuffable.Container);
@@ -688,6 +689,7 @@ namespace Content.Shared.Cuffs
                     }
                 }
             }
+            cuff.Removing = false;
         }
 
         #region ActionBlocker

Resources/Prototypes/Entities/Objects/Misc/handcuffs.yml

@@ -52,6 +52,14 @@
   - type: Construction
     graph: makeshifthandcuffs
     node: cuffscable
+  - type: Item
+    inhandVisuals:
+      left:
+        - state: inhand-left
+          color: forestgreen
+      right:
+        - state: inhand-right
+          color: forestgreen
   - type: Sprite
     sprite: Objects/Misc/cablecuffs.rsi
     state: cuff
@@ -120,6 +128,14 @@
     sprite: Objects/Misc/cablecuffs.rsi
     state: cuff-broken
     color: forestgreen
+  - type: Item
+    inhandVisuals:
+      left:
+        - state: inhand-left
+          color: forestgreen
+      right:
+        - state: inhand-right
+          color: forestgreen
 
 - type: entity
   parent: Handcuffs