fix(usb_host): return ESP_ERR_NO_MEM on failed alloc in client register (IDFGH-14037)

[hasheddan]

Description

Fixes issue where ESP_ERR_NO_MEM was being silently discarded after cleaning up after a failed malloc in usb_host_client_register.

Testing

Verified that error is now properly return when forcing a memory alllocation failure.

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[Alvin1Zhang]

Thanks for your contribution.

[igrr]

sha=7962d54c4c59f71c751e772eb172d571a500329d