feat: use new UiBuilder class for plugins, DalamudPluginInterface is now IDisposable

Dalamud/Interface/UiBuilder.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ImGuiNET;
+using ImGuiScene;
+
+namespace Dalamud.Interface
+{
+    public class UiBuilder : IDisposable {
+        private readonly string namespaceName;
+
+        public event RawDX11Scene.BuildUIDelegate OnBuildUi;
+
+        private InterfaceManager interfaceManager;
+
+        public UiBuilder(InterfaceManager interfaceManager, string namespaceName) {
+            this.namespaceName = namespaceName;
+
+            this.interfaceManager = interfaceManager;
+            this.interfaceManager.OnDraw += OnDraw;
+        }
+
+        public void Dispose() {
+            this.interfaceManager.OnDraw -= OnDraw;
+        }
+
+        private void OnDraw() {
+            ImGui.PushID(this.namespaceName);
+            OnBuildUi?.Invoke();
+            ImGui.PopID();
+        }
+    }
+}