BeginMenu: remove unnecessary call to ItemHoverable() which is already done by the Selectable() call.

Amend 88d7b3de
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 8692575..2048176 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -6858,7 +6858,7 @@
         PopStyleColor();
     PopID();
 
-    const bool hovered = enabled && ItemHoverable(window->DC.LastItemRect, id);
+    const bool hovered = (g.HoveredId == id) && enabled;
     if (menuset_is_open)
         g.NavWindow = backed_nav_window;