Bluetooth: Mesh: Fix node identity interleave multiple subnets
Bluetooth: Mesh: Fix node identity interleave multiple subnets

Reduce advertising duration to `max_timeout` when advertising node
identity for multiple subnets. This will let the node to interleave
subnets for NODE_ID_TIMEOUT.

Signed-off-by: Pavel Vasilyev <09eaab7002a868ff10244a9e1218e073869f50ea@nordicsemi.no>

zephyrproject-rtos/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr