Fix dice sprite error (#13628)

Fix https://github.com/space-wizards/space-station-14/issues/13627

Content.Shared/Dice/DiceComponent.cs

@@ -35,10 +35,10 @@ public sealed class DiceComponent : Component
     [Serializable, NetSerializable]
     public sealed class DiceState : ComponentState
     {
-        public int CurrentSide { get; set; } = 20;
-        public DiceState(int side)
+        public readonly int CurrentValue;
+        public DiceState(int value)
         {
-            CurrentSide = side;
+            CurrentValue = value;
         }
     }
 }

Content.Shared/Dice/SharedDiceSystem.cs

@@ -21,7 +21,7 @@ public abstract class SharedDiceSystem : EntitySystem
     private void OnHandleState(EntityUid uid, DiceComponent component, ref ComponentHandleState args)
     {
         if (args.Current is DiceComponent.DiceState state)
-            component.CurrentValue = state.CurrentSide;
+            component.CurrentValue = state.CurrentValue;
 
         UpdateVisuals(uid, component);
     }

Resources/Prototypes/Entities/Objects/Fun/dice.yml

@@ -26,7 +26,7 @@
     sides: 10
     multiplier: 10
     offset: 1 # first side is a 0
-    currentValue: 1
+    currentValue: 0
   - type: Sprite
     state: percentile_0