fix(ui): finish retail stack selector polish

Keep the horizontal thumb at its raw pointer position so both endpoints are reachable, honor the stack entry's authored right alignment, and preserve PublicWeenieDesc plural names from CreateObject through the object table. Port retail's singular s/es fallback when no plural was sent.

Co-Authored-By: Codex <codex@openai.com>

src/AcDream.App/Rendering/GameWindow.cs

@@ -2120,7 +2120,7 @@ public sealed class GameWindow : IDisposable
                         handler => Combat.HealthChanged += handler,
                         handler => Combat.HealthChanged -= handler,
                         IsHealthBarTarget,
-                        guid => Objects.Get(guid)?.Name,
+                        guid => Objects.Get(guid)?.GetAppropriateName(),
                         Combat.GetHealthPercent,
                         Combat.HasHealth,
                         guid => (uint)(Objects.Get(guid)?.StackSize ?? 0),