small food slicing cleanup (#22291)

* component cleanup

* slice system cleanup

* thank you entprotoid

* webedit 1

* webedit 2

* bruh this shitcode has sliceable food with no slice

* ok no persistence

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Nutrition/Components/SliceableFoodComponent.cs

@@ -1,24 +1,31 @@
 using Content.Server.Nutrition.EntitySystems;
 using Robust.Shared.Audio;
+using Robust.Shared.Prototypes;
 
-namespace Content.Server.Nutrition.Components
+namespace Content.Server.Nutrition.Components;
+
+[RegisterComponent, Access(typeof(SliceableFoodSystem))]
+public sealed partial class SliceableFoodComponent : Component
 {
-    [RegisterComponent, Access(typeof(SliceableFoodSystem))]
-    internal sealed partial class SliceableFoodComponent : Component
-    {
-        [DataField("slice")]
-        [ViewVariables(VVAccess.ReadWrite)]
-        public string Slice = string.Empty;
+    /// <summary>
+    /// Prototype to spawn after slicing.
+    /// If null then it can't be sliced.
+    /// </summary>
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public EntProtoId? Slice;
 
-        [DataField("sound")]
-        [ViewVariables(VVAccess.ReadWrite)]
-        public SoundSpecifier Sound = new SoundPathSpecifier("/Audio/Items/Culinary/chop.ogg");
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public SoundSpecifier Sound = new SoundPathSpecifier("/Audio/Items/Culinary/chop.ogg");
 
-        [DataField("count")]
-        [ViewVariables(VVAccess.ReadWrite)]
-        public ushort TotalCount = 5;
+    /// <summary>
+    /// Number of slices the food starts with.
+    /// </summary>
+    [DataField("count"), ViewVariables(VVAccess.ReadWrite)]
+    public ushort TotalCount = 5;
 
-        [ViewVariables(VVAccess.ReadWrite)]
-        public ushort Count;
-    }
+    /// <summary>
+    /// Number of slices left.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    public ushort Count;
 }