[pharo8-api-change] #mouseEnter event on Menu

Hi,

On P8, the code bellow does not generate the #mouseEnter event when the
cursor enter the menu.

This code was working on P7.

Any idea why it is not working on P8 :-)

    menuBar
        add: 'Macro-construction' translated
        font: self theme menuBarFont
        icon: nil
        help: 'Build or execute macro-construction. A macro is a construction template you can apply to items in the sketch area.' translated
        subMenu: self macroconstructionMenu.
    menuBar lastSubmorph
        on: #mouseEnter
        send: #updateMacroMenu
        to: self.

Thanks

Hilaire

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Dr. Geo
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