How to get CrossReferencePopover?
import CrossReferencePopover from 'fontoxml-crosslink-references/src/CrossReferencePopover.jsx'
A component used for making a popover for cross references.
The CrossReferencePopover completely implements FxReferencePopover for cross referencing. The only property that still needs to be added is the
The popoverData as provided by the family configuration, this only needs to be passed through.
This callback will be triggered when the popover is opened or after the permanent id is resolved (if the reference has permanent ids