Fix: QuickSettings: SysUI was FCing if no user tile has been added

Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>
Fix: QuickSettings: change deprecated NfcAdapter method to the new one (caused FC on init)

Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>
Fix: QuickSettings: One more NFC related NPE (FC)

Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>
Fix: QuickSettings: One more NFC related NPE (FC)

Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>