The IRQ_DIRECT_CONNECT is used to set the priorities and the NRFX_IRQ_PRIORITY_SET is an nrfx macro which is intentionally left empty for the nRF Connect SDK and won't help in setting the priority.
The IRQ_DIRECT_CONNECT is used to set the priorities and the NRFX_IRQ_PRIORITY_SET is an nrfx macro which is intentionally left empty for the nRF Connect SDK and won't help in setting the priority.