CB-4534 do not validate empty password, required attribute will (#2309)

* CB-4534 do not validate empty password, required attribute will

* CB-4534 remove trim

webapp/packages/core-authentication/src/usePasswordPolicy.ts

@@ -14,6 +14,10 @@ export function usePasswordPolicy() {
   const passwordPolicyService = useService(PasswordPolicyService);
 
   const ref = useCustomInputValidation<string>(value => {
+    if (!value) {
+      return null;
+    }
+
     const validation = passwordPolicyService.validatePassword(value);
     return validation.isValid ? null : validation.errorMessage;
   });