message: [BUGSQUASH] Make swap pair changing empty vs. 0
diff: @@ -263,11 +263,11 @@ export default class CurrencySwap extends PureComponent<Props, State> {
  const { origin, destination } = this.state;
  const { initSwap } = this.props;
  - const newOrigin = { ...origin, label: newOption.label, value: newOption.value, amount: 0 };
  + const newOrigin = { ...origin, label: newOption.label, value: newOption.value, amount: NaN };
  const newDest = {
  label: newOption.label === destination.label ? origin.label : destination.label,
  value: newOption.value === destination.value ? origin.value : destination.value,
  - amount: 0,
  + amount: NaN,
  status: '',
  image: ''
  };
  @@ -286,10 +286,10 @@ export default class CurrencySwap extends PureComponent<Props, State> {
  const newOrigin = {
  ...origin,
  - amount: 0
  + amount: NaN
  };
  - const newDest = { ...destination, label: newOption.label, value: newOption.value, amount: 0 };
  + const newDest = { ...destination, label: newOption.label, value: newOption.value, amount: NaN };
  this.setState({
  origin: newOrigin,
  destination: newDest
  