Preserve actionable form errors

backend/src/test/java/fr/nessar/lmnporganizer/rental/application/lease/AmendLeaseServiceTest.java

@@ -316,14 +316,7 @@ private Lease activeLease() {
 
 private Tenant tenant(TenantId id, String firstName, String address) {
 	return new Tenant(
-		id,
-		LANDLORD_ID,
-		firstName,
-		"Martin",
-		firstName.toLowerCase() + "@example.com",
-		"",
-		address,
-		List.of());
+		id, LANDLORD_ID, firstName, "Martin", id.value() + "@example.com", "", address, List.of());
 }
 
 private RentDue due(YearMonth month) {