fix: handle mobile logout failures

apps/nextjs/src/app/[locale]/boards/(content)/_header-actions.tsx

@@ -339,9 +339,11 @@ const MobileMoreMenu = ({ showSettings }: { showSettings: boolean }) => {
                 justify="flex-start"
                 leftSection={<IconLogout size={20} />}
                 onClick={() => {
-                  void signOut({ redirect: false }).then(() => {
-                    window.location.assign(logoutUrl ?? "/auth/login");
-                  });
+                  void signOut({ redirect: false })
+                    .catch(() => undefined)
+                    .then(() => {
+                      window.location.assign(logoutUrl ?? "/auth/login");
+                    });
                 }}
               >
                 {tProfile("logout")}