device: Reply to connect request if SDP search failed

device: Reply to connect request if SDP search failed

SDP request can be initiated during BR/EDR connection. This fixes a
missing reply to the method call to prevent generic error message for
no reply.

The following test steps were performed:
(1) Put Bose QC35 into pairing mode, start scanning on bluetoothctl
(2) Turn off the headphones and connect to the headphones
(3) Verify that error should returns immediately to bluetoothctl

Signed-off-by: Anuj Jain <anuj01.jain@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>