Coding error

[SankThomas]

In the last part of MDC-103, the _passwordController for the password TextField is accidentally named _usernameController

Code snippet below

TextField(
controller: _usernameController,
decoration: InputDecoration(
labelText: 'Password',
labelStyle: TextStyle(
color: _passwordFocusNode.hasFocus
? Theme.of(context).accentColor
: _unfocusedColor),
),
focusNode: _passwordFocusNode

[Renzo-Olivares]

Duplicate issue #203