[Platform] Calling wpa_fi_w1_wpa_supplicant1_... on nullptr iface

[arkq]

Reproduction steps

1. Try to commission Linux lighting app with removed WiFi interface: ./out/linux-x64-light/chip-lighting-app
2. Run network commissioning on other host: chip-tool pairing onnetwork 1 20202021
3. chip-lighting-app output:
...
[1664268290.126647][182494:182494] CHIP:DL: writing settings to file (/tmp/chip_kvs-lH0pGx)
[1664268290.126809][182494:182494] CHIP:DL: renamed tmp file to file (/tmp/chip_kvs)
[1664268290.126826][182494:182494] CHIP:DL: wpa_supplicant: connected to network

(process:182494): GLib-GIO-CRITICAL **: 10:44:50.126: g_dbus_proxy_call_sync_internal: assertion 'G_IS_DBUS_PROXY (proxy)' failed

Platform

other

Platform Version(s)

f2cd15f

Type

Manually tested with SDK

(Optional) If manually tested please explain why this is only manually tested

No response

Anything else?

No response