Fixed an issue where taking backup of a shared server was using server owner's user name. #7255

web/pgadmin/browser/server_groups/servers/__init__.py

@@ -1144,7 +1144,7 @@ class ServerNode(PGChildNodeView):
         con_info_ord = OrderedDict([('host', server.host),
                                     ('port', server.port),
                                     ('dbname', db_name),
-                                    ('user', server.username)])
+                                    ('user', manager.user)])
         con_info_ord.update(con_info)
         display_conn_string = make_conninfo(**con_info_ord)
         return display_conn_string

web/pgadmin/tools/backup/__init__.py

@@ -221,7 +221,7 @@ def _get_args_params_values(data, conn, backup_obj_type, backup_file, server,
         '--port',
         port,
         '--username',
-        server.username,
+        manager.user,
         '--no-password'
     ]