Occurs due to the way we try to move the cursor out of the citation by opening and closing the link editing dialog and then issuing \<ArrowRight> keyboard event. Not entirely sure how to address this, but the move to canvas rendering might change this behavior anyway.
Report: https://forums.zotero.org/discussion/89961/cannot-read-property-startswith-of-null
Occurs due to the way we try to move the cursor out of the citation by opening and closing the link editing dialog and then issuing \<ArrowRight> keyboard event. Not entirely sure how to address this, but the move to canvas rendering might change this behavior anyway.