Merge PR #967 into 16.0

Signed-off-by sebalix

Author: OCA-git-bot

.oca/oca-port/blacklist/stock_release_channel.json

@@ -0,0 +1,8 @@
+{
+  "pull_requests": {
+    "OCA/wms#533": "(auto) Nothing to port from PR #533",
+    "OCA/wms#595": "(auto) Nothing to port from PR #595",
+    "OCA/wms#772": "Lint",
+    "OCA/wms#860": "(auto) Nothing to port from PR #860"
+  }
+}

stock_release_channel/models/stock_release_channel.py

@@ -760,7 +760,12 @@ def get_action_picking_form(self):
 
     @staticmethod
     def _pickings_sort_key(picking):
-        return (-int(picking.priority or 1), picking.date_priority, picking.id)
+        return (
+            -int(picking.priority or 1),
+            picking.scheduled_date,
+            picking.date_priority or picking.create_date,
+            picking.id,
+        )
 
     def _get_next_pickings(self):
         return getattr(self, "_get_next_pickings_{}".format(self.batch_mode))()