Eslint formatting updates (#4234)

* Eslint updated (newline-after-var)

* Fix newline-after-var

* Eslint updated (one-var-declaration-per-line)

* Fix one-var-declaration-per-line

* Fix additional errors

* Lint after merge

js/src/ui/MethodDecoding/methodDecoding.js

@@ -461,6 +461,7 @@ class MethodDecoding extends Component {
     }
 
     const ascii = this.getAscii();
+
     return this.setState({
       inputType: ascii.valid ? 'raw' : 'ascii'
     });