Assignment to wifi.radio.hostname is merged into existing value, not replaced

[adrianblakey]

CircuitPython version

Adafruit CircuitPython 8.2.0-rc.1 on 2023-06-27; Raspberry Pi Pico W with rp2040

Code/REPL

import wifi
wifi.radio.hostname = 'some-long-value'
print(wifi.radio.hostname) # some-long-value
wifi.radio.hostname = 'a-value'
print(wifi.radio.hostname) # a-valueng-value

Behavior

The value of wifi.radio.hostname is not replaced by the new value, but merged.

Description

No response

Additional information

No response

[anecdata]

Occurs on Pico W, but not on Espressif (issue more likely in common-hal or deeper).