fix: dirty SSD indicator comp on mapinit (#38891)

Content.Shared/SSDIndicator/SSDIndicatorComponent.cs

@@ -1,29 +1,49 @@
+using Content.Shared.CCVar;
 using Content.Shared.StatusIcon;
 using Robust.Shared.GameStates;
 using Robust.Shared.Prototypes;
-using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
 
 namespace Content.Shared.SSDIndicator;
 
 /// <summary>
-///     Shows status icon when player in SSD
+/// Shows status icon when an entity is SSD, based on if a player is attached or not.
 /// </summary>
 [RegisterComponent, NetworkedComponent]
 [AutoGenerateComponentState, AutoGenerateComponentPause]
 public sealed partial class SSDIndicatorComponent : Component
 {
-    [DataField, ViewVariables(VVAccess.ReadOnly)]
+    /// <summary>
+    /// Whether or not the entity is SSD.
+    /// </summary>
     [AutoNetworkedField]
+    [DataField, ViewVariables(VVAccess.ReadOnly)]
     public bool IsSSD = true;
 
+    /// <summary>
+    /// The icon displayed next to the associated entity when it is SSD.
+    /// </summary>
     [DataField]
     public ProtoId<SsdIconPrototype> Icon = "SSDIcon";
 
     /// <summary>
-    ///     When the entity should fall asleep
+    /// The time at which the entity will fall asleep, if <see cref="CCVars.ICSSDSleep"/> is true.
     /// </summary>
-    [DataField]
     [AutoNetworkedField, AutoPausedField]
     [Access(typeof(SSDIndicatorSystem))]
+    [DataField(customTypeSerializer: typeof(TimeOffsetSerializer))]
     public TimeSpan FallAsleepTime = TimeSpan.Zero;
+
+    /// <summary>
+    /// The next time this component will be updated.
+    /// </summary>
+    [AutoNetworkedField, AutoPausedField]
+    [DataField(customTypeSerializer: typeof(TimeOffsetSerializer))]
+    public TimeSpan NextUpdate = TimeSpan.Zero;
+
+    /// <summary>
+    /// The time between updates checking if the entity should be force slept.
+    /// </summary>
+    [DataField]
+    public TimeSpan UpdateInterval = TimeSpan.FromSeconds(1);
 }