[cragr/regions] Verify if we reach wealth and loans before assert

There are a lot a bugged connections because we don't manage to reach
the wealth page and it raises the assert self.wealth.is_here() since we
are on error page.
To avoid this, we verify if we failed to reach it and try again.

Closes: 42211@sibi, 42205@sibi, 42212@sibi