Bluetooth: Mesh: Fix response to Provisioning PDU with invalid type
Bluetooth: Mesh: Fix response to Provisioning PDU with invalid type

Reverse the order of these checks because invalid PDU type will
never be expected. If PDU type is invalid we should respond with
error 0x0002 - Invalid format.

Signed-off-by: Michał Narajowski <5b46ef62acec420708b063e686af3c7b978f2cb3@codecoup.pl>

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