cleanup(sinsp): use gid from the threadinfo in the filtercheck

Signed-off-by: Iacopo Rozzo <[email protected]>

Author: irozzo-1A

userspace/libsinsp/sinsp_filtercheck_group.cpp

@@ -71,7 +71,7 @@ uint8_t* sinsp_filter_check_group::extract_single(sinsp_evt* evt,
 		RETURN_EXTRACT_VAR(m_gid);
 	case TYPE_NAME: {
 		auto container_id = m_inspector->m_plugin_tables.get_container_id(*tinfo);
-		auto group = m_inspector->m_usergroup_manager->get_group(container_id, m_gid);
+		auto group = m_inspector->m_usergroup_manager->get_group(container_id, tinfo->m_gid);
 		if(group) {
 			m_name = group->name;
 		} else if(tinfo->m_gid == 0) {