* mac: add dialog.closeMessageBox API
* win: Implement dialog.closeMessageBox
* mac: Return cancelId with closeMessageBox
* gtk: Implement dialog.closeMessageBox
* win: Fix 32bit build
* win: Reduce the scope of lock
* fix: Build error after rebase
* feat: Use AbortSignal to close message box
* chore: silently handle duplicate ID
* win: Add more notes about the threads
* chore: apply reviews
* fix: base::NoDestructor should be warpped in function
* chore: fix style on windows
* fix: don't assign NSAlert to window which is not visible
Without this change it's possible to create message box which can't
be dismissed on mac.
* fixup! fix: don't assign NSAlert to window which is not visible
* fixup! fix: don't assign NSAlert to window which is not visible