Bug #871 /Game and /Spectate bring you to blank screen

[Haviles04]

Issue number

Relevant issue number

• Resolves #871

Please check the following

• [x] Do the tests still pass? (see Run the Tests)
• [x] Is the code formatted properly? (see Linting (Formatting))
• For New Features:
  • [ ] Have tests been added to cover any new features or fixes?
  • [ ] Has the documentation been updated accordingly?

Please describe additional details for testing this change

Navigating to /game or /spectate without a gameId will now show the game unavailable view

Navigating to the lobby without a gameId will give you a snackbar error