fix(ontology): set the cache earlier in case of only one ontology (DS…

…P-1374) (#397)

* fix(ontology): set the cache earlier in case of only one ontology

* fix(ontology): fix caching issue

* refactor(ontology): delete shadowed name

* refactor(ontology): delete commented code

* chore(deps): update package-lock.json

* refactor(ontology): clean up async/await function

* fix(ontology): bug fix in knora system ontology view

* refactor(ontology): delete shadowed name

* refactor(ontology): delete commented code

* fix(ontology): set progress indicator correctly

Co-authored-by: mdelez <60604010+mdelez@users.noreply.github.com>