More Reliable App Updates and Registration

🔄 Improvements

• App update status now shows both the installed and available version numbers for clearer update information.

🛠 Fixes

• Fixed: App updates now correctly compare versions, preventing false update prompts and incomplete updates.
• Fixed: Organisation registration links now follow the configured sign-up flow.
• Fixed: Multiplayer sessions no longer create duplicate socket listeners, preventing repeated room initialization and tab-related side effects.