`nix-instantiate` sends the same derivation to the server multiple times

[KAction]

Nix clients sends to the daemon the same thing again and again. Here is the simple reproducer, where bash release tarball and set of patches were sent to daemon five times. This is not exactly bug (it doesn't affect correctness), but it negatively affects evaluation speed.

$ git log -n1 --format=%H
49554fe37848835fc8ef915c13ca612a49e18744
$ nix --version
nix (Nix) 2.28.3
$ cat /etc/os-release
ANSI_COLOR="0;38;2;126;186;228"
BUG_REPORT_URL="https://github.com/NixOS/nixpkgs/issues"
BUILD_ID="25.05pre-git"
CPE_NAME="cpe:/o:nixos:nixos:25.05"
DEFAULT_HOSTNAME=nixos
DOCUMENTATION_URL="https://nixos.org/learn.html"
HOME_URL="https://nixos.org/"
ID=nixos
ID_LIKE=""
IMAGE_ID=""
IMAGE_VERSION=""
LOGO="nix-snowflake"
NAME=NixOS
PRETTY_NAME="NixOS 25.05 (Warbler)"
SUPPORT_URL="https://nixos.org/community.html"
VARIANT=""
VARIANT_ID=""
VENDOR_NAME=NixOS
VENDOR_URL="https://nixos.org/"
VERSION="25.05 (Warbler)"
VERSION_CODENAME=warbler
VERSION_ID="25.05
$ strace -s100 -e write nix-instantiate . -A hello 2>&1|grep -F 'Derive([(\\"out\\"'|sort|uniq wc -l
131
$ strace -s100 -e write nix-instantiate . -A hello 2>&1|grep -F 'Derive([(\\"out\\"'|wc -l
183
$ strace -s100 -e write nix-instantiate . -A hello 2>&1|grep -F 'Derive([(\\"out\\"'|grep bash
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/0j41vs0ajmjn81i1mwhgvi24rr5hi4aa-bash53-001\",\"sha256\",\"1f60843436"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/6iygjlcf64ryrg6jryk6qrjfxxz2i6q8-bash53-002\",\"sha256\",\"e385548a00"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/bm2dknmrjbsd49idcliys6gyalnbd90i-bash53-003\",\"sha256\",\"f245d9c7dc"..., 737) = 737
write(3, "\301\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/kwm524zjlnnq4yfhhmb5r14f2wxf8a2j-bash-5.3.tar.gz\",\"sha256\",\"0d5cd"..., 721) = 721
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/0j41vs0ajmjn81i1mwhgvi24rr5hi4aa-bash53-001\",\"sha256\",\"1f60843436"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/6iygjlcf64ryrg6jryk6qrjfxxz2i6q8-bash53-002\",\"sha256\",\"e385548a00"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/bm2dknmrjbsd49idcliys6gyalnbd90i-bash53-003\",\"sha256\",\"f245d9c7dc"..., 737) = 737
write(3, "\301\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/kwm524zjlnnq4yfhhmb5r14f2wxf8a2j-bash-5.3.tar.gz\",\"sha256\",\"0d5cd"..., 721) = 721
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/0j41vs0ajmjn81i1mwhgvi24rr5hi4aa-bash53-001\",\"sha256\",\"1f60843436"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/6iygjlcf64ryrg6jryk6qrjfxxz2i6q8-bash53-002\",\"sha256\",\"e385548a00"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/bm2dknmrjbsd49idcliys6gyalnbd90i-bash53-003\",\"sha256\",\"f245d9c7dc"..., 737) = 737
write(3, "\301\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/kwm524zjlnnq4yfhhmb5r14f2wxf8a2j-bash-5.3.tar.gz\",\"sha256\",\"0d5cd"..., 721) = 721
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/0j41vs0ajmjn81i1mwhgvi24rr5hi4aa-bash53-001\",\"sha256\",\"1f60843436"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/6iygjlcf64ryrg6jryk6qrjfxxz2i6q8-bash53-002\",\"sha256\",\"e385548a00"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/bm2dknmrjbsd49idcliys6gyalnbd90i-bash53-003\",\"sha256\",\"f245d9c7dc"..., 737) = 737
write(3, "\301\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/kwm524zjlnnq4yfhhmb5r14f2wxf8a2j-bash-5.3.tar.gz\",\"sha256\",\"0d5cd"..., 721) = 721
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/0j41vs0ajmjn81i1mwhgvi24rr5hi4aa-bash53-001\",\"sha256\",\"1f60843436"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/6iygjlcf64ryrg6jryk6qrjfxxz2i6q8-bash53-002\",\"sha256\",\"e385548a00"..., 737) = 737
write(3, "\321\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/bm2dknmrjbsd49idcliys6gyalnbd90i-bash53-003\",\"sha256\",\"f245d9c7dc"..., 737) = 737
write(3, "\301\2\0\0\0\0\0\0Derive([(\"out\",\"/nix/store/kwm524zjlnnq4yfhhmb5r14f2wxf8a2j-bash-5.3.tar.gz\",\"sha256\",\"0d5cd"..., 721) = 72