Meta.quota: make sure to respect hierarchy by trying to get quota of parent repository owner if it exists (can be a template child without owner), then from the currently logged user, then from the repository config. Fix #884

Author: cdujeu

core/src/plugins/meta.quota/class.QuotaComputer.php

@@ -109,7 +109,7 @@ protected function getWorkingRepositoryOptions()
 
     public function getFilteredOption($optionName, $repoScope = AJXP_REPO_SCOPE_ALL, $userObject = null){
         $repo = $this->accessDriver->repository;
-        if ($repo->hasParent() && $repo->getOwner() != AuthService::getLoggedUser()->getId()) {
+        if ($repo->hasParent() && $repo->getOwner() != null && $repo->getOwner() != AuthService::getLoggedUser()->getId()) {
             // Pass parent user instead of currently logged
             $userObject = ConfService::getConfStorageImpl()->createUserObject($repo->getOwner());
         }