Fix linter errors

Author: dapetcu21

src/components/fields/ArrayField.js

@@ -112,7 +112,7 @@ class ArrayField extends Component {
  const item = items.splice(index, 1)[0];
  items.splice(newIndex, 0, item);
  this.asyncSetState({ items }, { validate: true });
- }
+ };
  };
 
  onChangeForIndex = (index) => {
@@ -341,7 +341,7 @@ class ArrayField extends Component {
  {
  hasToolbar ?
  <div className="col-xs-2 array-item-remove text-right">
- <div className="btn-group" style={{ display: 'flex' }}>
+ <div className="btn-group" style={{ display: "flex" }}>
  {removable ?
  <button type="button" className="btn btn-danger"
  style={{ flex: 1, paddingLeft: 6, paddingRight: 6 }}