Stop using windows forms, add extensive meta manipulation editing, fix a concurrency crash and a dumb crash.

Penumbra.GameData/Enums/ObjectType.cs

@@ -1,21 +1,55 @@
-namespace Penumbra.GameData.Enums
+using System;
+
+namespace Penumbra.GameData.Enums;
+
+public enum ObjectType : byte
 {
-    public enum ObjectType : byte
+    Unknown,
+    Vfx,
+    DemiHuman,
+    Accessory,
+    World,
+    Housing,
+    Monster,
+    Icon,
+    LoadingScreen,
+    Map,
+    Interface,
+    Equipment,
+    Character,
+    Weapon,
+    Font,
+}
+
+public static class ObjectTypeExtensions
+{
+    public static string ToName( this ObjectType type )
+        => type switch
+        {
+            ObjectType.Vfx           => "Visual Effect",
+            ObjectType.DemiHuman     => "Demi Human",
+            ObjectType.Accessory     => "Accessory",
+            ObjectType.World         => "Doodad",
+            ObjectType.Housing       => "Housing Object",
+            ObjectType.Monster       => "Monster",
+            ObjectType.Icon          => "Icon",
+            ObjectType.LoadingScreen => "Loading Screen",
+            ObjectType.Map           => "Map",
+            ObjectType.Interface     => "UI Element",
+            ObjectType.Equipment     => "Equipment",
+            ObjectType.Character     => "Character",
+            ObjectType.Weapon        => "Weapon",
+            ObjectType.Font          => "Font",
+            _                        => "Unknown",
+        };
+
+
+    public static readonly ObjectType[] ValidImcTypes =
     {
-        Unknown,
-        Vfx,
-        DemiHuman,
-        Accessory,
-        World,
-        Housing,
-        Monster,
-        Icon,
-        LoadingScreen,
-        Map,
-        Interface,
-        Equipment,
-        Character,
-        Weapon,
-        Font,
-    }
+        ObjectType.Equipment,
+        ObjectType.Accessory,
+        ObjectType.DemiHuman,
+        ObjectType.Monster,
+        ObjectType.Weapon,
+    };
 }