message: fix(common): fix minor issue
diff: @@ -31,13 +31,11 @@ export class SidenavComponent implements OnInit {
  private router: Router, private configurationService: ConfigurationService) { }
  ngOnInit () {
  -
  this.administrationService.getApplicationVersion().subscribe((version: any) => {
  if (version) {
  this.version = 'v' + version
  }
  },(err) => console.log(err))
  -
  this.configurationService.getApplicationConfiguration().subscribe((config: any) => {
  if (config && config.application && config.application.name && config.application.name !== null) {
  this.applicationName = config.application.name
  @@ -62,13 +60,11 @@ export class SidenavComponent implements OnInit {
  this.userEmail = ''
  }
  })
  -
  this.ngZone.runOutsideAngular(() => {
  this.io.socket().on('challenge solved', () => {
  this.getScoreBoardStatus()
  })
  })
  -
  }
  isLoggedIn () {
  