message: Don't disable username/password fields whilst doing wk-lookup
diff: @@ -325,7 +325,7 @@ export default class PasswordLogin extends React.PureComponent<IProps, IState> {
  onChange={this.onUsernameChanged}
  onFocus={this.onUsernameFocus}
  onBlur={this.onUsernameBlur}
  - disabled={this.props.disableSubmit}
  + disabled={this.props.busy}
  autoFocus={autoFocus}
  onValidate={this.onEmailValidate}
  fieldRef={field => this[LoginField.Email] = field}
  @@ -344,7 +344,7 @@ export default class PasswordLogin extends React.PureComponent<IProps, IState> {
  onChange={this.onUsernameChanged}
  onFocus={this.onUsernameFocus}
  onBlur={this.onUsernameBlur}
  - disabled={this.props.disableSubmit}
  + disabled={this.props.busy}
  autoFocus={autoFocus}
  onValidate={this.onUsernameValidate}
  ref={field => this[LoginField.MatrixId] = field}
  @@ -371,7 +371,7 @@ export default class PasswordLogin extends React.PureComponent<IProps, IState> {
  onChange={this.onPhoneNumberChanged}
  onFocus={this.onPhoneNumberFocus}
  onBlur={this.onPhoneNumberBlur}
  - disabled={this.props.disableSubmit}
  + disabled={this.props.busy}
  autoFocus={autoFocus}
  onValidate={this.onPhoneNumberValidate}
  ref={field => this[LoginField.Password] = field}
  @@ -422,7 +422,7 @@ export default class PasswordLogin extends React.PureComponent<IProps, IState> {
  element="select"
  value={this.state.loginType}
  onChange={this.onLoginTypeChange}
  - disabled={this.props.disableSubmit}
  + disabled={this.props.busy}
  >
  <option key={LoginField.MatrixId} value={LoginField.MatrixId}>
  { _t('Username') }
  @@ -454,7 +454,7 @@ export default class PasswordLogin extends React.PureComponent<IProps, IState> {
  label={_t('Password')}
  value={this.state.password}
  onChange={this.onPasswordChanged}
  - disabled={this.props.disableSubmit}
  + disabled={this.props.busy}
  autoFocus={autoFocusPassword}
  onValidate={this.onPasswordValidate}
  ref={field => this[LoginField.Password] = field}
  