`-w` or `--workspace` without `=` does not work in `nr` command for `npm run`

[na-trium-144]

Describe the bug

nr -w packages/foo test or nr --workspace packages/foo test fails with the following error:

npm error No workspaces found:
npm error   --workspace=true
npm error A complete log of this run can be found in: /Users/kou/.npm/_logs/2026-02-26T09_28_21_433Z-debug-0.log

nr -w=packages/foo test or nr --workspace=packages/foo test works.

ni nlx nun nup nci nd works with -w packages/foo. Only nr have this issue.

Reproduction

https://github.com/na-trium-144/npm-workspace-minimal

System Info

System:
    OS: macOS 26.3
    CPU: (8) arm64 Apple M1
    Memory: 98.42 MB / 16.00 GB
    Shell: 5.3.9 - /opt/homebrew/bin/bash
  Binaries:
    Node: 22.16.0 - /Users/kou/.nvm/versions/node/v22.16.0/bin/node
    npm: 10.9.2 - /Users/kou/.nvm/versions/node/v22.16.0/bin/npm
    pnpm: 10.28.1 - /Users/kou/Library/pnpm/pnpm
    bun: 1.3.6 - /Users/kou/.bun/bin/bun
    Deno: 2.6.10 - /opt/homebrew/bin/deno
  Browsers:
    Chrome: 145.0.7632.117
    Firefox: 147.0.2
    Safari: 26.3

Used Package Manager

npm

Validations

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• Read the Contributing Guide.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A, please open a GitHub Discussion instead.
• The provided reproduction is a minimal reproducible of the bug.

Contributions

• I am willing to submit a PR to fix this issue
• I am willing to submit a PR with failing tests (actually just go ahead and do it, thanks!)