(#119) portal: fixed race condition in page loader

Conflicts:
	CHANGELOG.md
Merge branch 'feature-0.17.x/119-fix-page-load-race-condition' into release-0.17.x

* feature-0.17.x/119-fix-page-load-race-condition:
  (#119) portal: fixed race condition in page loader
release v0.17.1