Fixed handover failed issue

For handover type setup request, we don't need
to check attached state. Modem will fail the
setup request if the conditions changed that
data setup is not allowed.

Bug: 130794830
Test: Manual

Merged-In: Ic17c43a70ce721f6684838974f53fd0054062515
Change-Id: Ic17c43a70ce721f6684838974f53fd0054062515
(cherry picked from commit 239b45f1)