Handle a status report over CS even if SMS was sent over IMS

Correctly handle a status report received through CS even if the
previously submitted SMS was sent through ImsService.

Test: Tested in live

Change-Id: Ie3f3ec8aa9c6d2b2fc6baa737adf4ba81698c662
Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>