something wrong with show_in_taskbar

[yutent]

nw: v0.32.1
os: macos 10.13.6

main window: show_in_taskbar: true

preference window: show_in_taskbar: false ( by nw.Window.open())

issue:
when I open a new window ( preference page), it causes the main window's taskbar icon missing.

expection:
I wish that only the window 's taskbar icon is hide which I set to show_in_taskbar: false.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.