Following on beb0d5703a0e, the context menu seems to work fine
with a much older QtQuick import - version 2.0.
The 2.7 import is technically a development leftover
and a minimal version should have been considered earlier.
On older Qt setups (e.g. 5.5.x) this might throw a:
'module "QtQuick" version 2.6 is not installed'
Reported-by: Stefan Fuchs <sfuchs@gmx.de>
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>