Use explicit priorities for all internal communication events.

Penumbra/Communication/PreSettingsPanelDraw.cs

@@ -0,0 +1,26 @@
+using System;
+using Penumbra.Util;
+
+namespace Penumbra.Communication;
+
+/// <summary>
+/// Triggered before the settings panel is drawn.
+/// <list type="number">
+///     <item>Parameter is the identifier (directory name) of the currently selected mod. </item>
+/// </list>
+/// </summary>
+public sealed class PreSettingsPanelDraw : EventWrapper<Action<string>, PreSettingsPanelDraw.Priority>
+{
+    public enum Priority
+    {
+        /// <seealso cref="Api.PenumbraApi.PreSettingsPanelDraw"/>
+        Default = 0,
+    }
+
+    public PreSettingsPanelDraw()
+        : base(nameof(PreSettingsPanelDraw))
+    { }
+
+    public void Invoke(string modDirectory)
+        => Invoke(this, modDirectory);
+}