[Bug]: Environment variable 'ATUIN_HISTORY_ID' not found while using nushell overlay

[zeffo]

What did you expect to happen?

No errors upon using the nushell overlay.

What happened?

Nushell doesn't support dynamic path overlays, so for things like python venvs I use a workaround like nu -e $"overlay use ($path)/bin/activate.nu".
This subshell doesn't capture ATUIN_HISTORY_ID, which leads to the error in hide-env ATUIN_HISTORY_ID (line 48 on 18.16.1 and line 72 on main).

The -i flag is used for an earlier hide-env call to suppress errors, I wonder if it's safe to do the same here?

Atuin doctor output

Atuin Doctor
Checking for diagnostics


Please include the output below with any bug reports or issues

{
  "atuin": {
    "version": "18.16.1",
    "commit": "NO_GIT",
    "sync": null,
    "sqlite_version": "3.53.2"
  },
  "shell": {
    "name": "nu",
    "default": "nu",
    "plugins": [
      "atuin"
    ],
    "preexec": "built-in"
  },
  "system": {
    "os": "Arch Linux",
    "arch": "x86_64",
    "version": "rolling",
    "disks": [
      {
        "name": "/dev/nvme0n1p5",
        "filesystem": "ext4"
      },
      {
        "name": "/dev/nvme0n1p3",
        "filesystem": "vfat"
      },
      {
        "name": "/dev/nvme0n1p2",
        "filesystem": "ext4"
      },
      {
        "name": "/dev/sda1",
        "filesystem": "ext4"
      },
      {
        "name": "/dev/sda2",
        "filesystem": "ext4"
      }
    ]
  }
}
Error: nu::shell::env_variable_not_found

  × Environment variable 'ATUIN_HISTORY_ID' not found
    ╭─[/home/aman/.local/share/atuin/init.nu:48:14]
 47 │     }
 48 │     hide-env ATUIN_HISTORY_ID
    ·              ────────┬───────
    ·                      ╰── environment variable not found
 49 │ }
    ╰────

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