Fix suspicion round end timer, actually show it.

Content.Shared/GameObjects/EntitySystemMessages/SuspicionMessages.cs

@@ -0,0 +1,15 @@
+using System;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.GameObjects.EntitySystemMessages
+{
+    public static class SuspicionMessages
+    {
+        [Serializable, NetSerializable]
+        public sealed class SetSuspicionEndTimerMessage : EntitySystemMessage
+        {
+            public TimeSpan? EndTime;
+        }
+    }
+}