fix: admin roles can enroll students in course/batch successfully

lms/lms/doctype/lms_batch_enrollment/lms_batch_enrollment.py

@@ -32,7 +32,7 @@ class LMSBatchEnrollment(Document):
 
 	def validate_payment(self):
 		paid_batch = frappe.db.get_value("LMS Batch", self.batch, "paid_batch")
-		if paid_batch:
+		if paid_batch and not self.is_admin():
 			payment = frappe.db.exists(
 				"LMS Payment",
 				{

lms/lms/doctype/lms_enrollment/lms_enrollment.py

@@ -63,7 +63,7 @@ class LMSEnrollment(Document):
 		if not course_details.published and not is_admin():
 			frappe.throw(_("You cannot enroll in an unpublished course."))
 
-		if course_details.paid_course:
+		if course_details.paid_course and not is_admin():
 			payment = frappe.db.exists(
 				"LMS Payment",
 				{