fixes #18929 - add rails-observers dep for TopbarSweeper
0443e85 was in error in removing the dependency, as this sweeperfunctionality is also provided by rails-observers.
Added by Dominic Cleal about 7 years ago
fixes #18929 - add rails-observers dep for TopbarSweeper
0443e85 was in error in removing the dependency, as this sweeper
functionality is also provided by rails-observers.