change: update NICo to use RMS fw object management API

[anunna0]

Description

Summary

Migrates firmware-object based firmware updates to RMS/NICO’s SOT JSON apply flow.

Changes

• Removes the NICo firmware-object management surface from Forge/admin CLI.
• Extends component firmware update requests with access_token and force_update.
• Routes compute tray, switch, and rack firmware updates through rack maintenance when state-controller paths are enabled.
• Uses RMS ApplyFirmwareObjectFromJSON for SOT JSON parsing, artifact download, and firmware update submission.
• Keeps direct component-manager firmware update paths for non-state-controller flows.
• Leaves power shelf SOT JSON updates unimplemented for now.
• Skips implicit rack firmware update when no SOT JSON is configured.
• Rejects explicit firmware-upgrade maintenance requests without SOT JSON/access token.
• Requires rack profile hardware class before applying SOT JSON firmware, avoiding unsafe prod assumption

Type of Change

• Add - New feature or capability
• Change - Changes in existing functionality
• Fix - Bug fixes
• Remove - Removed features or deprecated functionality
• Internal - Internal changes (refactoring, tests, docs, etc.)

Related Issues (Optional)

Breaking Changes

• This PR contains breaking changes

Testing

• Unit tests added/updated
• Integration tests added/updated
• Manual testing performed
• No testing required (docs, internal refactor, etc.)

Additional Notes

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[amit-pabalkar]

Looks good from all the renaming cleanup that we had planned for and agreed upon to in the NICo Firmware Interface document.