Refactor CSRF token (#32216)

tests/integration/api_httpsig_test.go

@@ -95,7 +95,7 @@ func TestHTTPSigCert(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
 	session := loginUser(t, "user1")
 
-	csrf := GetCSRF(t, session, "/user/settings/keys")
+	csrf := GetUserCSRFToken(t, session)
 	req := NewRequestWithValues(t, "POST", "/user/settings/keys", map[string]string{
 		"_csrf":   csrf,
 		"content": "user1",