Issue: Enable only logged-in users to launch games + rename Clone to Duplicate

Overview

Two updates to game card interactions: Launch is now gated to logged-in users via a modal, and the "Clone" button has been renamed to "Duplicate" and restricted to logged-in users only.

Rationale

Launch and Duplicate are actions that should only be available to authenticated users. Previously, there was no auth check on Launch, and the "Clone" label was inconsistent with the updated naming convention. The Duplicate button is now hidden entirely for logged-out users rather than showing a modal gate.

Proposed Adjustments

Launch gate, new modal for logged-out users:

• Header: "Want to launch games?"
• Body: "Launching games is only available to logged-in users. It's free to create an account."
• Primary CTA: Login
• Secondary CTA: Sign up

Clone → Duplicate rename:

• All "Clone" button/label instances renamed to "Duplicate" across affected screens
• "Duplicate" button is hidden for logged-out users (mockups reflect this — button is removed from logged-out state)

All Figma Mockups to use to do these edits on Central (with edited & new ui):
https://www.figma.com/design/PadzU8GqyhFLCjIt7rQkpE/RightOn-?node-id=50313-166707&t=pqaueIrp3Q0YyqPl-1
https://www.figma.com/design/PadzU8GqyhFLCjIt7rQkpE/RightOn-?node-id=47309-64600&t=pqaueIrp3Q0YyqPl-1

Follow-Up Questions

Are there any other surfaces where "Clone" language still appears that need updating?