fix: 🐛 Use getAllSubgGroups in BBMRIResources reg.module

Use getAllSubGroups to get the full tree instead of just getSubGroups

Author: Dominik Frantisek Bucik

perun-registrar-lib/src/main/java/cz/metacentrum/perun/registrar/modules/BBMRIResources.java

@@ -290,7 +290,7 @@ private Map<String, Group> getResourceIDsToGroupsMap(PerunSession session,
 	{
 		Map<String, Group> resourceIDsToGroupMap = new HashMap<>();
 
-		List<Group> resourceGroups = perun.getGroupsManagerBl().getSubGroups(session, resourceOriginGroup);
+		List<Group> resourceGroups = perun.getGroupsManagerBl().getAllSubGroups(session, resourceOriginGroup);
 		if (resourceGroups == null || resourceGroups.isEmpty()) {
 			log.debug("No resource groups found, returning empty map.");
 			return resourceIDsToGroupMap;