Make sure Zotero.Libraries.userLibrary doesn't get out of sync
Make sure Zotero.Libraries.userLibrary doesn't get out of sync

https://github.com/zotero/zotero/commit/b976c84a29aa74f0dd8bd69c4e0d4847db9218ea#commitcomment-13492424

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