Workflow: Use --wpds-cursor-control design token

[SainathPoojary]

What?

Part of #76221

Why?

Update the instance of cursor: pointer to use the --wpds-cursor-control design token so interactive control cursor behavior can be centrally configured.

How?

Replaced hardcoded cursor: pointer with cursor: var(--wpds-cursor-control) in the Workflow menu's command item ([cmdk-item]) stylesheet.

Testing Instructions

1. Go to WP Admin → Settings → Gutenberg → Experiments and enable "Workflow Palette", then save.
2. On any admin page, press Cmd+J (macOS) or Ctrl+J (Windows/Linux) to open the Workflow Palette.
3. Hover over the command items in the list.
4. Inspect the element and verify cursor: var(--wpds-cursor-control) is applied on [cmdk-item].
5. Confirm cursor behavior is unchanged (still shows pointer).

Screenshots or screencast

Before	After

[github-actions]

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[mirka]

Thanks!