use parts crates for rewards, show rewards in ui (#17374)

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

Content.Shared/Procedural/Loot/DungeonClusterLoot.cs

@@ -1,24 +0,0 @@
-using Content.Shared.Random;
-using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
-
-namespace Content.Shared.Procedural.Loot;
-
-/// <summary>
-/// Spawns loot at points in the specified area inside of a dungeon room.
-/// </summary>
-public sealed class DungeonClusterLoot : IDungeonLoot
-{
-    /// <summary>
-    /// Spawns in a cluster.
-    /// </summary>
-    [DataField("clusterAmount")]
-    public int ClusterAmount = 1;
-
-    /// <summary>
-    /// Number of clusters to spawn.
-    /// </summary>
-    [DataField("clusters")] public int Points = 1;
-
-    [DataField("lootTable", required: true, customTypeSerializer: typeof(PrototypeIdSerializer<WeightedRandomPrototype>))]
-    public string Prototype { get; } = string.Empty;
-}