Fix for VPRetinaSPmixer

Starting from VP RawBank version 4, the tasks performed by the VPRetinaSPmixer algorithm are assigned to VPSuperPixelBankEncoder (SP mixing) and VPRetinaClusterCreator (SP isolation).
If VPRetinaSPmixer is fed with v4 VELO SP data, it should just pass them ahead.

added RTA label

assigned to @msaur and @gbassi

@gbassi Is this ready? Then we can test it with the new samples.

mentioned in merge request Moore!1703 (merged)

/ci-test

added ci-test-triggered label

• [2022-09-15 15:11] Validation started with lhcb-master-mr#5659
• [2022-09-15 15:11] Validation started with lhcb-master-mr#5660
• [2022-09-16 00:03] Validation started with lhcb-dd4hep#1270
• [2022-09-16 00:03] Validation started with lhcb-dd4hep-rootunits#44

added lhcb-dd4hep label

assigned to @rmatev

resolved all threads

added VP cleanup labels

approved this merge request

merged

mentioned in commit 1990c015

mentioned in issue Moore#478 (closed)