Only resize dashlets that have a componentId since the new height otherwise won't be persisted

git-svn-id: https://svn.alfresco.com/repos/alfresco-open-mirror/alfresco/HEAD/root@84338 7033f55c-6c29-4ad8-afba-765cb616e738
ACE-1294: creation of reports moved back to tests so dropping of schemas and their recreation can be called before tests

git-svn-id: https://svn.alfresco.com/repos/alfresco-open-mirror/alfresco/HEAD/root@84355 7033f55c-6c29-4ad8-afba-765cb616e738