Updated sessionID retrieval in start service to correctly pull sessionID in default case.
Updated sessionID retrieval in start service to correctly pull sessionID in default case.

kshala-ford/sdl_ios,davidswi/sdl_ios,APCVSRepo/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,kshala-ford/sdl_ios,kshala-ford/sdl_ios,davidswi/sdl_ios,FordDev/sdl_ios,FordDev/sdl_ios,smartdevicelink/sdl_ios,davidswi/sdl_ios,APCVSRepo/sdl_ios,FordDev/sdl_ios,APCVSRepo/sdl_ios,davidswi/sdl_ios,smartdevicelink/sdl_ios,davidswi/sdl_ios,smartdevicelink/sdl_ios,kshala-ford/sdl_ios,FordDev/sdl_ios,FordDev/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,kshala-ford/sdl_ios