Destroy clipper each frame

This stops a memory leak from happening, as far as I can see the clipper should be destroyed as it's being created in the same draw call.

Dalamud/Interface/Internal/Windows/ConsoleWindow.cs

@@ -331,6 +331,7 @@ internal class ConsoleWindow : Window, IDisposable
             }
 
             clipper.End();
+            clipper.Destroy();
         }
 
         ImGui.PopFont();