Blast door/shutter, timer and or gate device linking fixes (#16347)

Content.Server/DeviceLinking/Components/ActiveSignalTimerComponent.cs

@@ -0,0 +1,15 @@
+
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Server.DeviceLinking.Components
+{
+    [RegisterComponent]
+    public sealed class ActiveSignalTimerComponent : Component
+    {
+        /// <summary>
+        ///     The time the timer triggers.
+        /// </summary>
+        [DataField("triggerTime", customTypeSerializer: typeof(TimeOffsetSerializer))]
+        public TimeSpan TriggerTime;
+    }
+}