Add workspace support for full scans (v1.x)

[lelia]

Summary

Adds --workspace support to socket scan create so scans can be associated with the correct Socket workspace (API workspace query param on CreateOrgFullScan). Also allows persisting a default workspace via socket scan setup.

💡 Note: This PR was previously filed as #1095, but due to targeting main instead of v1.x, it was easier to simply re-create as a fresh PR.

Changes

• CLI flag: socket scan create --workspace <string> (optional)
• Config: socket scan setup can persist defaults.scan.create.workspace in .socket/socket.json
• API plumbing: forwards workspace through handleCreateNewScan → fetchCreateOrgFullScan → SDK createFullScan(..., { workspace })

refs: SocketDev/socket-python-cli#164 + SocketDev/socket-sdk-python#68

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Note

Medium Risk
Moderate risk because it changes the parameters sent to the full-scan creation API and introduces a new persisted default that can alter scan association without users explicitly passing flags.

Overview
Adds optional --workspace support to socket scan create, including reading/writing a default via .socket/socket.json (defaults.scan.create.workspace).

Plumbs the workspace value through handleCreateNewScan into fetchCreateOrgFullScan, which now conditionally forwards it to the SDK createOrgFullScan request, and updates debug/help output/tests accordingly.

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