DDBNEXT-399: wip
DDBNEXT-399: If necessary, apply sector filter on page load.

  we check if the user is returning to the institution list page
  using the web browser's back button and if they performed the
  sector filters before.
Ready for review
ready
Merge branch 'bugfix/DDBNEXT-399' into develop
Reviews added
Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next.git into develop
DDBNEXT-373 and DDBNEXT-348: ie8 hotfix
Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next.git into develop
DDBNEXT-385: wip, the user still can see the list.