Fix additional causes of high CPU use from items list
Fix additional causes of high CPU use from items list

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