Fetching remote client config fails

[tomasgulas]

Description

Client config doesn't load properly after the wallet start.

How to reproduce

1. start wallet with yarn run start:electron:dev -opendevtools
2. there is a config loading error in console

[20:59:46.257] [debug] Status: loadConfig - Fetching remote client config
Error: Error: ENOENT: no such file or directory, open '/Users/tomasgulas/Nix-GUI/dev-app-update.yml'
    at /Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:399:27
    at Generator.next (<anonymous>)
From previous event:
    at MacUpdater.loadUpdateConfig (/Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:395:33)
    at Lazy.AppUpdater.configOnDisk [as creator] (/Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:134:43)
    at Lazy.get value [as value] (/Users/tomasgulas/Nix-GUI/node_modules/lazy-val/src/main.ts:18:23)
    at /Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:302:28
From previous event:
    at MacUpdater.getUpdateInfo (/Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:298:32)
    at /Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:312:35
    at Generator.next (<anonymous>)
From previous event:
    at MacUpdater.doCheckForUpdates (/Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:311:34)
    at /Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:283:25
    at Generator.next (<anonymous>)
    at runCallback (timers.js:672:20)
    at tryOnImmediate (timers.js:645:5)
    at processImmediate [as _immediateCallback] (timers.js:617:5)
From previous event:
    at MacUpdater._checkForUpdates (/Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:278:33)
    at MacUpdater.checkForUpdates (/Users/tomasgulas/Nix-GUI/node_modules/electron-updater/src/AppUpdater.ts:217:35)
    at initMainWindow (/Users/tomasgulas/Nix-GUI/main.js:209:15)
    at App.app.on (/Users/tomasgulas/Nix-GUI/main.js:103:3)
    at emitTwo (events.js:111:20)
    at App.emit (events.js:194:7)

More information

• Operating system and version: macOS Sierra
• Client version: 3.0.0