feat(zigbee): Save network channel after 1st joining for faster rejoin #3582

Job	Run time
Generate matrix	3s
Push event file	2s
Build (validation, esp32c3) / Build validation tests for esp32c3	3m 25s
Build (validation, esp32h2) / Build validation tests for esp32h2	3m 9s
Build (validation, esp32) / Build validation tests for esp32	4m 32s
Build (validation, esp32c6) / Build validation tests for esp32c6	4m 11s
Build (validation, esp32p4) / Build validation tests for esp32p4	3m 41s
Build (validation, esp32s2) / Build validation tests for esp32s2	4m 25s
Build (validation, esp32s3) / Build validation tests for esp32s3	4m 32s
Hardware	1s
QEMU	1s
	28m 2s

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