Issue #1876990 by blueminds, Berdir: Fixed capabilities checks and added configurable ability to submit jobs for languages even if there is no user yet that has the necessary capabilities.
Issue #1900926 by Berdir, cgalli: Fixed pending translation missing, unify entity source language handling.
Update views handlers
converting pages
deleted unecessary view
Revert "deleted unecessary view"

This reverts commit a88921b9c284e3f88c92391b4edc9cec43e6ca1f.
improve translation handler and access checks