fix(sessds): Update the default values

apps/emqx/src/emqx_schema.erl

@@ -1709,7 +1709,7 @@ fields("durable_sessions") ->
             sc(
                 timeout_duration(),
                 #{
-                    default => <<"5s">>,
+                    default => <<"10s">>,
                     desc => ?DESC(session_ds_idle_poll_interval)
                 }
             )},

apps/emqx/test/emqx_config_SUITE.erl

@@ -472,7 +472,7 @@ zone_global_defaults() ->
                 enable => false,
                 batch_size => 100,
                 force_persistence => false,
-                idle_poll_interval => 100,
+                idle_poll_interval => 10_000,
                 heartbeat_interval => 5000,
                 message_retention_period => 86400000,
                 renew_streams_interval => 1000,