[DDW-274] export daedalus install directory in nix shell hook
[DDW-274] export daedalus install directory in nix shell hook

input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus