wifi: fix race condition waiting for connect result #689

Job	Run time
Build and package cores	10m 36s
Split off zephyr	13s
Split off zephyr_contrib	6s
Split off zephyr_unoq	15s
Split off zephyr_main	11s
Test zephyr_main:niclasense	2m 34s
Test zephyr_main:giga	2m 29s
Test zephyr_main:nano33ble	2m 27s
Test zephyr_main:opta	2m 27s
Test zephyr_main:portentac33	1m 52s
Test zephyr_main:portentah7	2m 35s
Test zephyr:unoq	2m 28s
Test zephyr_contrib:ek_ra8d1	1m 43s
Test zephyr_contrib:frdm_rw612	2m 27s
Test zephyr_contrib:frdm_mcxn947	2m 25s
Collect logs	7s
Publish jsons	22s
verify-core	-1s
Publish core	-1s
cleanup-artifacts	3s
	35m 18s

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