fix: Map.StartDecontamination() no client visual

Author: louis1706

EXILED/Exiled.API/Features/Map.cs

@@ -300,7 +300,7 @@ public static bool PlaySquishSound(Vector3 position)
         /// <summary>
         /// Forces the light containment zone decontamination process.
         /// </summary>
-        public static void StartDecontamination() => DecontaminationController.Singleton.FinishDecontamination();
+        public static void StartDecontamination() => DecontaminationController.Singleton.DecontaminationOverride = DecontaminationController.DecontaminationStatus.Forced;
 
         /// <summary>
         /// Turns on all lights in the facility.