Prepare v1.2.10
PIM-3308: fix unclassified filter
Merge pull request #1709 from akeneo/PIM-3308-stable

PIM-3308: fix unclassified filter
Format date for grid date cells on the server side
PIM-3308: fix unclassified filter
Merge branch 'PIM-3308-stable' into PIM-3308