Fix some issue with E-unreg after timeout or E-reg failed, REF 16302

Wenpeng Songrequested to merge
wenpeng-25-02-19 into asterisk_rdkb

Trigger re-registration with original directly while e-reg failed, and skip the un-reg in this case(user on-hook after e-reg already failed)

(issue fixed on this MR: registration messed up while user on-hook after the e-reg failed.)
require MR: asterisk-chan-voicemngr!137 (merged)

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