feat(sso/server): redirect to login for wildcard handler

pkg/handler/handler_sso_server.go

@@ -6,6 +6,7 @@ import (
 	"github.com/nais/wonderwall/pkg/config"
 	"github.com/nais/wonderwall/pkg/cookie"
 	"github.com/nais/wonderwall/pkg/router"
+	"github.com/nais/wonderwall/pkg/router/paths"
 	"github.com/nais/wonderwall/pkg/url"
 )
 
@@ -44,7 +45,7 @@ func (s *SSOServer) LogoutLocal(w http.ResponseWriter, r *http.Request) {
 	s.Standalone.LogoutLocal(w, r)
 }
 
-// Wildcard returns HTTP 404 Not Found.
+// Wildcard redirects all requests to the login endpoint.
 func (s *SSOServer) Wildcard(w http.ResponseWriter, r *http.Request) {
-	http.NotFound(w, r)
+	http.Redirect(w, r, paths.OAuth2+paths.Login, http.StatusTemporaryRedirect)
 }