fix PIN backbutton issue
fix PIN backbutton issue

fr34k8/copay,msalcala11/copay,fr34k8/copay,ajp8164/copay,cobit-wallet/cobit,gabrielbazan7/copay,Bitcoin-com/Wallet,Bitcoin-com/Wallet,Bitcoin-com/Wallet,cmgustavo/copay,ajp8164/copay,msalcala11/copay,msalcala11/copay,cobit-wallet/cobit,janko33bd/copay,bitchk-wallet/copay,bitjson/copay,msalcala11/copay,matiu/copay,gabrielbazan7/copay,fr34k8/copay,matiu/copay,bitjson/copay,cmgustavo/copay,bitjson/copay,matiu/copay,gabrielbazan7/copay,cmgustavo/copay,ajp8164/copay,bitchk-wallet/copay,cmgustavo/copay,bitchk-wallet/copay,matiu/copay,janko33bd/copay,gabrielbazan7/copay,janko33bd/copay,fr34k8/copay,cobit-wallet/cobit,bitjson/copay,Bitcoin-com/Wallet