Work around Chrome bug that occurs when down-arrowing from before an uneditable node
Work around Chrome bug that occurs when down-arrowing from before an uneditable node

FIX: Work around an issue where Chrome unfocuses the editor or scrolls
way down when pressing down arrow with the cursor between the start of
a textblock and an uneditable element.

Issue prosemirror/prosemirror#867

ProseMirror/prosemirror-view