REPL: Offer all completions if we can't find a last identifier
REPL: Offer all completions if we can't find a last identifier

Fixes RT #125520

tony-o/rakudo,rakudo/rakudo,tony-o/rakudo,MasterDuke17/rakudo,nbrown/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,rakudo/rakudo,tbrowder/rakudo,usev6/rakudo,labster/rakudo,sjn/rakudo,jonathanstowe/rakudo,rakudo/rakudo,Gnouc/rakudo,tony-o/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,tony-o/rakudo,tbrowder/rakudo,lucasbuchala/rakudo,nbrown/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,softmoth/rakudo,raydiak/rakudo,sjn/rakudo,nbrown/rakudo,rakudo/rakudo,labster/rakudo,salortiz/rakudo,usev6/rakudo,salortiz/rakudo,samcv/rakudo,labster/rakudo,labster/rakudo,awwaiid/rakudo,labster/rakudo,jonathanstowe/rakudo,MasterDuke17/rakudo,tony-o/rakudo,usev6/rakudo,usev6/rakudo,usev6/rakudo,salortiz/rakudo,tbrowder/rakudo,lucasbuchala/rakudo,rakudo/rakudo,awwaiid/rakudo,Gnouc/rakudo,softmoth/rakudo,samcv/rakudo,samcv/rakudo,lucasbuchala/rakudo,raydiak/rakudo,awwaiid/rakudo,salortiz/rakudo,nbrown/rakudo,jonathanstowe/rakudo,Gnouc/rakudo,lucasbuchala/rakudo,lucasbuchala/rakudo,sjn/rakudo,salortiz/rakudo,sjn/rakudo,Gnouc/rakudo,samcv/rakudo,softmoth/rakudo,awwaiid/rakudo,MasterDuke17/rakudo,softmoth/rakudo,labster/rakudo,samcv/rakudo,raydiak/rakudo,nbrown/rakudo,salortiz/rakudo,jonathanstowe/rakudo,sjn/rakudo,raydiak/rakudo,tbrowder/rakudo,nbrown/rakudo,softmoth/rakudo,jonathanstowe/rakudo,rakudo/rakudo,awwaiid/rakudo,tony-o/rakudo,Gnouc/rakudo