[Fix/Tech] Fixup Snap publishing in build-base workflow

[CommandMC]

Of course, the one thing I can't test locally breaks
The workflow tried to access snapcraftEdgeId, but the secret in question is named snapcraftIdEdge

---

Use the following Checklist if you have changed something on the Backend or Frontend:

• Tested the feature and it's working on a current and clean install.
• Tested the main App features and they are still working on a current and clean install. (Login, Install, Play, Uninstall, Move games, etc.)
• Created / Updated Tests (If necessary)
• Created / Updated documentation (If necessary)

[flavioislima]

np, S!$% happens 🤷🏽