This is needed to have requests ordered also when grouping them into purchase line. Closes #12073 (grafted from d90d4ee0a2cab5faf93d565d3e92e2e3aab17e8b) --HG-- branch : 6.0
(grafted from ead2b499983265780d6c01e9a3834b7d739a0cf2) --HG-- branch : 6.0
--HG-- branch : 6.0