Fix bug in collectionTreeView that caused tree row loss ...when collapsing/expanding group libraries
Fix bug in collectionTreeView that caused tree row loss
...when collapsing/expanding group libraries

retorquere/zotero,hoehnp/zotero,rmzelle/zotero,gracile-fr/zotero,aurimasv/zotero,retorquere/zotero,retorquere/zotero,hoehnp/zotero,hoehnp/zotero,rmzelle/zotero,rmzelle/zotero,gracile-fr/zotero,gracile-fr/zotero