[bugfix] Handle 'mark for deletion' of ItemPage.delete()
[bugfix] Handle 'mark for deletion' of ItemPage.delete()

Bug: T134563
Change-Id: I06660a1d8750ffce3cf9317afad91daac7e1a5bc

wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core