<x-contextmenu>Suggestions on optimization

[gjcfer]

"<x-contextmenu> is a menu that appears when user clicks the right mouse button.”

Experience problems：Repeated clicking at the same position will reopen the menu, and the right-click menu will flash
Possible expectations：Click at the same location not to reopen
Expected results may：Will update native

[jarek-foksa]

I think Xel should mimic native macOS behavior here, i.e. when the context menu is already open then right-clicking should either close the menu (if the cursor has not moved) or reopen the menu at a new position (if the cursor has moved).

[gjcfer]

OK。 I refer to the effect of the window system