fix: canvas should not have mouse input enabled (#2447)

Author: pandinocoder

Intersect.Client.Core/Interface/Interface.cs

@@ -227,11 +227,16 @@ public static void DrawGui()
     public static bool DoesMouseHitInterface() => DoesMouseHitComponentOrChildren(sGameCanvas);
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public static bool DoesMouseHitComponentOrChildren(Framework.Gwen.Control.Base component) =>
+    public static bool DoesMouseHitComponentOrChildren(Framework.Gwen.Control.Base? component) =>
         DoesComponentOrChildrenContainMousePoint(component, InputHandler.MousePosition);
 
-    public static bool DoesComponentOrChildrenContainMousePoint(Framework.Gwen.Control.Base component, Point position)
+    public static bool DoesComponentOrChildrenContainMousePoint(Framework.Gwen.Control.Base? component, Point position)
     {
+        if (component == default)
+        {
+            return false;
+        }
+
         if (component.IsHidden)
         {
             return false;

Intersect.Client.Framework/Gwen/Control/Canvas.cs

@@ -43,6 +43,7 @@ public Canvas(Skin.Base skin, string name) : base(null, name)
         BackgroundColor = Color.White;
         ShouldDrawBackground = false;
         IsTabable = false;
+        MouseInputEnabled = false;
 
         mDisposeQueue = new List<IDisposable>();
     }
@@ -107,7 +108,7 @@ public override void Redraw()
         base.Redraw();
     }
 
-    // Children call parent.GetCanvas() until they get to 
+    // Children call parent.GetCanvas() until they get to
     // this top level function.
     public override Canvas? GetCanvas()
     {