fix: Use frappe.as_unicode to decode output of redis module list (#31282)

- As of redis 7, a list is added to the result of fetching the module list
- This list cannot be "decoded",so use `frappe.as_unicode` that handles bytes as well as other types

erpnext/e_commerce/redisearch_utils.py

@@ -38,7 +38,7 @@ def is_search_module_loaded():
 		out = cache.execute_command("MODULE LIST")
 
 		parsed_output = " ".join(
-			(" ".join([s.decode() for s in o if not isinstance(s, int)]) for o in out)
+			(" ".join([frappe.as_unicode(s) for s in o if not isinstance(s, int)]) for o in out)
 		)
 		return "search" in parsed_output
 	except Exception: