Fix state check errors (middle-pane restart messages) during syncing
Fix state check errors (middle-pane restart messages) during syncing

The state check errors were caused by 4812ab6f, which was a fix for
"Q.async(...)(...) is undefined" errors caused by ad8b81f4c, which was a
fix for "too much recursion" errors related to Task.spawn() on Windows
with JIT enabled.

sendecomp/zotero,robamler/zotero,hoehnp/zotero,sendecomp/zotero,adunning/zotero,robamler/zotero,retorquere/zotero,adunning/zotero,retorquere/zotero,adunning/zotero,egh/zotero,rmzelle/zotero,hoehnp/zotero,hoehnp/zotero,rmzelle/zotero,LinuxMercedes/zotero,retorquere/zotero,LinuxMercedes/zotero,egh/zotero,LinuxMercedes/zotero,gracile-fr/zotero,rmzelle/zotero,gracile-fr/zotero,robamler/zotero,gracile-fr/zotero,sendecomp/zotero,egh/zotero