[Merge] ~3v1n0/ubuntu/+source/nautilus:ubuntu/master-xubuntu-cancel-search into ~ubuntu-desktop/ubuntu/+source/nautilus:ubuntu/master

[Marco Trevisan (Treviño)]

FYI I've submitted also part of this upstream (as it will be needed anyway for future developments): https://gitlab.gnome.org/GNOME/nautilus/merge_requests/303
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https://code.launchpad.net/~3v1n0/ubuntu/+source/nautilus/+git/nautilus/+merge/353826
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