Can you also provide the output of those commands
$ echo $XDG_DATA_DIRS $ for dir in `tr ':' ' ' <<< $XDG_DATA_DIRS`; do ls -l $dir/gnome-shell/search-providers; done
Can you also provide the output of those commands
$ echo $XDG_DATA_DIRS shell/search- providers; done
$ for dir in `tr ':' ' ' <<< $XDG_DATA_DIRS`; do ls -l $dir/gnome-