fix(ui): preserve retail item titles and spacing

Carry PublicWeenieDesc material type into the live object model so examination titles use the DAT-authored material prefix. Preserve retail AddItemInfo empty appends and embedded armor separator, restoring the deliberate blank rows between appraisal sections.

Co-authored-by: Codex <codex@openai.com>

tests/AcDream.Core.Net.Tests/Messages/CreateObjectTests.cs

@@ -681,6 +681,7 @@ public sealed class CreateObjectTests
         var parsed = CreateObject.TryParse(body);
 
         Assert.NotNull(parsed);
+        Assert.Equal(7u, parsed.Value.MaterialType);
         Assert.Equal(11u, parsed.Value.CooldownId);
         Assert.Equal(12.5, parsed.Value.CooldownDuration);
         Assert.Equal(0x50000001u, parsed.Value.PetOwnerId);