ESLint additional rules (#4186)

* Add eslint rule for consistent block padding

* Fix padding consistency issues

* Eslint test for duplicate imports

* Eslint closing bracket location

* Fix eslint jsx closing bracket

* missed a file

* Formatting

* Manual overrides for auto

* Manual overrides for auto

* More minor auto-override manual adjustments

js/src/ui/Editor/editor.js

@@ -25,7 +25,6 @@ import 'brace/mode/json';
 import './mode-solidity';
 
 export default class Editor extends Component {
-
   static propTypes = {
     className: PropTypes.string,
     value: PropTypes.string,
@@ -99,5 +98,4 @@ export default class Editor extends Component {
   handleOnChange = (value) => {
     this.props.onChange(value);
   }
-
 }