[fixed] Multiple Sessions are Always Denied

Casted frappe.db.get_system_setting('deny_multiple_sessions') to int, as a string it is always evaluated as True in the conditional statement and therefore it is always treated as multiple sessions are denied.

frappe/auth.py

@@ -159,7 +159,7 @@ class LoginManager:
 
 	def clear_active_sessions(self):
 		"""Clear other sessions of the current user if `deny_multiple_sessions` is not set"""
-		if not (frappe.conf.get("deny_multiple_sessions") or frappe.db.get_system_setting('deny_multiple_sessions')):
+		if not (frappe.conf.get("deny_multiple_sessions") or int(frappe.db.get_system_setting('deny_multiple_sessions'))):
 			return
 
 		if frappe.session.user != "Guest":