[Bug]: When command is prefixed with env vars, the first env var is what counts for atuin stats

[douglascamata]

What did you expect to happen?

I run a lot of commands with the AWS profile env var prefixed, like AWS_PROFILE=dev aws (...).

After some time using Atuin, I expected to see aws as my top command.

What happened?

The top command is just AWS_PROFILE=dev, which is not a command per-se.

Atuin doctor output

{
  "atuin": {
    "version": "18.4.0",
    "sync": {
      "cloud": true,
      "records": true,
      "auto_sync": true,
      "last_sync": "2025-02-21 20:35:40.894573 +00:00:00"
    },
    "sqlite_version": "3.46.0"
  },
  "shell": {
    "name": "zsh",
    "default": "zsh",
    "plugins": [
      "atuin"
    ],
    "preexec": "built-in"
  },
  "system": {
    "os": "Darwin",
    "arch": "arm64",
    "version": "15.3.1",
    "disks": [
      {
        "name": "Macintosh HD",
        "filesystem": "apfs"
      },
      {
        "name": "Macintosh HD",
        "filesystem": "apfs"
      },
    ]
  }
}

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