[explicit-function-return-type] Don't report when using an explicit variable type with an arrow function

[cheezenaan]

Repro

{
  "extends": ["plugin:@typescript-eslint/recommended"],
  "plugins": ["react"]
}

import * as React from 'react';

interface Props {
    message?: string;
}

export const Hello: React.SFC<Props> = ({ message = 'kiniro-mosaic' }) => (
    <div>{`Hello! ${message}`}</div>;
);

Expected Result

Neither errors nor warnings

Actual Result

7:40  warning  Missing return type on function  @typescript-eslint/explicit-function-return-type

Additional Info

Versions

package	version
@typescript-eslint/eslint-plugin	1.1.0
@typescript-eslint/parser	1.1.0
eslint-plugin-react	7.12.4
react	16.7.0
react-dom	16.7.0
TypeScript	3.2.4
ESLint	5.12.1
node	8.11.3
npm	5.6.0