fix: Proper error handling for invalid stored tokens

Previously, Aerochat would just crash whenever a token is invalid. This
would cause issues in some cases, such as a user transferring their
configuration from another account or system, or a developer forgetting to
clean up build artifacts when publishing releases (:P). In these cases, the
application would simply refuse to open because of an unhandled exception
at startup.

Now, the case is handled clearly to the user. They are informed of why they
are logged out and then taken to the login screen so they can
reauthenticate.

For bonus points, I added a warning dialog for rare edge cases where the
Data Encryption API isn't supported, including older operating systems and
non-Windows operating systems (perhaps old versions of Wine?).

Signed-off-by: Isabella <kawapure@gmail.com>

forgor

chore: move message processing onto a bg thread

fix shit

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feat: new scenes and ads (thx discord community!!)

feat: new scenes and ads (thx discord community!!)

feat: emoji

feat: add credits for scenes

hacky fix for scene crash