Optimized chore on-time tracking (closes #2385)

migrations/0244.sql

@@ -0,0 +1,10 @@
+ALTER TABLE chores_log
+ADD scheduled_execution_time DATETIME;
+
+DELETE FROM user_settings
+WHERE key IN (
+	'datatables_state_chores-journal-table',
+	'datatables_rowGroup_chores-journal-table',
+	'datatables_state_products-table',
+	'datatables_rowGroup_products-table'
+);