Adding new Cryogenics Reagent - Opporozidone (Attempt 2) (#24074)

* Fixing mistakes

* How did I make the same mistake twice

---------

Co-authored-by: Kara <lunarautomaton6@gmail.com>

Content.Server/Atmos/Rotting/RottingSystem.cs

@@ -149,6 +149,29 @@ public sealed class RottingSystem : SharedRottingSystem
         args.Handled = component.CurrentTemperature < Atmospherics.T0C + 0.85f;
     }
 
+
+    public void ReduceAccumulator(EntityUid uid, TimeSpan time)
+    {
+        if (!TryComp<PerishableComponent>(uid, out var perishable))
+            return;
+
+        if (!TryComp<RottingComponent>(uid, out var rotting))
+        {
+            perishable.RotAccumulator -= time;
+            return;
+        }
+        var total = (rotting.TotalRotTime + perishable.RotAccumulator) - time;
+
+        if (total < perishable.RotAfter)
+        {
+            RemCompDeferred(uid, rotting);
+            perishable.RotAccumulator = total;
+        }
+
+        else
+            rotting.TotalRotTime = total - perishable.RotAfter;
+    }
+    
     /// <summary>
     /// Is anything speeding up the decay?
     /// e.g. buried in a grave