fix(authentication): Fix issues when users try to logout (#603)

Run set last login information action only when the user exist. Thus preventing running it after the logout method, which was causing an error

test/application_system_test_case.rb

@@ -12,6 +12,9 @@ class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
       fill_in "Password", with: "password"
       click_button "Log in"
     end
-    assert_text "Dashboard"
+    assert_text "Dashboard", wait: 5
+    find('[data-controller="menu"]').click
+    click_button "Logout"
+    assert_text "Sign in to your account"
   end
 end