chore: renamed `get_program` api functions

- `get_program` is renamed to `get_program_and_enrollment_status`
- `get_program_detail` is renamed to `get_program`
- Minor code improvements
diff --git a/erpnext/education/utils.py b/erpnext/education/utils.py
index 5aaaa2f..7a61ae5 100644
--- a/erpnext/education/utils.py
+++ b/erpnext/education/utils.py
@@ -89,7 +89,7 @@
 		else:
 			return None
 
-def get_program(program_name):
+def get_program_and_enrollment_status(program_name):
 	program = frappe.get_doc('Program', program_name)
 	is_enrolled = bool(get_program_enrollment(program_name)) or check_super_access()
 	return {'program': program, 'is_enrolled': is_enrolled}