Prevent infinite loops in device linking (#16856)

Content.Server/DeviceLinking/Components/Overload/SpawnOnOverloadComponent.cs

@@ -0,0 +1,21 @@
+using Content.Server.DeviceLinking.Systems;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.DeviceLinking.Components.Overload;
+
+/// <summary>
+/// Spawns an entity when a device link overloads.
+/// An overload happens when a device link sink is invoked to many times per tick
+/// and it raises a <see cref="Content.Server.DeviceLinking.Events.DeviceLinkOverloadedEvent"/>
+/// </summary>
+[RegisterComponent]
+[Access(typeof(DeviceLinkOverloadSystem))]
+public sealed class SpawnOnOverloadComponent : Component
+{
+    /// <summary>
+    /// The entity prototype to spawn when the device overloads
+    /// </summary>
+    [DataField("spawnedPrototype", customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>))]
+    public string Prototype = "PuddleSparkle";
+}