fix: Clean empty fields in arrays on save of policy configuration
fix: Clean empty fields in arrays on save of policy configuration

lauthieb/gravitee-management-webui,lauthieb/gravitee-management-webui,gravitee-io/gravitee-management-webui,lauthieb/gravitee-management-webui,gravitee-io/gravitee-management-webui,gravitee-io/gravitee-management-webui