have 1024x1024 app icon as fallback icon in Snore
Summary: by this patch, apps with a set WindowIcon will have that icon as fallback icon for their notifications invoked through NotifyBySnore backend for KNotifications on Windows 10.
Reviewers: Frameworks, broulik, sredman
Reviewed By: broulik, sredman
Subscribers: sredman, broulik, kde-frameworks-devel
Differential Revision: https://phabricator.kde.org/D23196