fix: batch instructor should be linked to evaluator

lms/patches/v2_0/move_batch_instructors_to_evaluators.py

@@ -0,0 +1,22 @@
+import frappe
+
+
+def execute():
+	batch_instructors = frappe.get_all(
+		"Course Instructor",
+		{
+			"parenttype": "LMS Batch",
+		},
+		["name", "instructor", "parent"],
+	)
+
+	for instructor in batch_instructors:
+		if not frappe.db.exists(
+			"Course Evaluator",
+			{
+				"evaluator": instructor.instructor,
+			},
+		):
+			doc = frappe.new_doc("Course Evaluator")
+			doc.evaluator = instructor.instructor
+			doc.insert()