Separate Udder examine into ExamineableHunger (#35164)

* Separate udder hunger examine into ExamineableHunger

* Fluent grammar improvements

* Add ExamineableHunger to chickens and ducks.

* Use starving message as "dead" message

Content.Shared/Nutrition/EntitySystems/ExamineableHungerSystem.cs

@@ -0,0 +1,41 @@
+using Content.Shared.Examine;
+using Content.Shared.IdentityManagement;
+using Content.Shared.Nutrition.Components;
+
+namespace Content.Shared.Nutrition.EntitySystems;
+
+/// <inheritdoc cref="ExamineableHungerComponent"/>
+public sealed class ExamineableHungerSystem : EntitySystem
+{
+    [Dependency] private readonly HungerSystem _hunger = default!;
+    private EntityQuery<HungerComponent> _hungerQuery;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        _hungerQuery = GetEntityQuery<HungerComponent>();
+
+        SubscribeLocalEvent<ExamineableHungerComponent, ExaminedEvent>(OnExamine);
+    }
+
+    /// <summary>
+    ///     Defines the text provided on examine.
+    ///     Changes depending on the amount of hunger the target has.
+    /// </summary>
+    private void OnExamine(Entity<ExamineableHungerComponent> entity, ref ExaminedEvent args)
+    {
+        var identity = Identity.Entity(entity, EntityManager);
+
+        if (!_hungerQuery.TryComp(entity, out var hungerComp)
+            || !entity.Comp.Descriptions.TryGetValue(_hunger.GetHungerThreshold(hungerComp), out var locId))
+        {
+            // Use a fallback message if the entity has no HungerComponent
+            // or is missing a description for the current threshold
+            locId = entity.Comp.NoHungerDescription;
+        }
+
+        var msg = Loc.GetString(locId, ("entity", identity));
+        args.PushMarkup(msg);
+    }
+}