fix: check booked slots against both day and time

lms/lms/doctype/course_evaluator/course_evaluator.py

@@ -46,11 +46,13 @@ def get_schedule(course, date):
 	booked_slots = frappe.get_all(
 		"LMS Certificate Request",
 		filters={"evaluator": evaluator, "date": date},
-		fields=["start_time"],
+		fields=["start_time", "day"],
 	)
 
 	for slot in booked_slots:
-		same_slot = list(filter(lambda x: x.start_time == slot.start_time, all_slots))
+		same_slot = list(
+			filter(lambda x: x.start_time == slot.start_time and x.day == slot.day, all_slots)
+		)
 		if len(same_slot):
 			all_slots.remove(same_slot[0])