chore: Add eslint rule for object shorthand (#3955)

app/editor/index.tsx

@@ -430,7 +430,7 @@ export class Editor extends React.PureComponent<
       state: this.createState(this.props.value),
       editable: () => !this.props.readOnly,
       nodeViews: this.nodeViews,
-      dispatchTransaction: function (transaction) {
+      dispatchTransaction(transaction) {
         // callback is bound to have the view instance as its this binding
         const { state, transactions } = this.state.applyTransaction(
           transaction