MLBEDSW-11288: Don't copy quantization in constprop
Don't copy OFM quantization when replacing a constant operator with memory copy, since the OFM quantization is already calculated and included in the new constant tensor. This affects MUL operations that uses the shift attribute.
Signed-off-by: Johan Gunnarsson johan.gunnarsson@arm.com Change-Id: Ib0c42194741cb1954ae54eb1c9ec306bb06ef970