View.Mouse cleanup - WIP

Terminal.Gui/View/View.Mouse.cs

@@ -318,6 +318,14 @@ public partial class View // Mouse APIs
     /// </remarks>
     public event EventHandler<MouseEventArgs>? MouseEvent;
 
+    /// <summary>Raised when a mouse event occurs.</summary>
+    /// <remarks>
+    ///     <para>
+    ///         The coordinates are relative to <see cref="View.Viewport"/>.
+    ///     </para>
+    /// </remarks>
+    public event EventHandler<MouseEventEventArgs>? MouseEvent;
+
     #endregion Low Level Mouse Events
 
     #region Mouse Click Events