Null check operator used on a null value #598
Description
I receive a report from crashlitik with the following text
pdfx 2.9.2
_PdfViewPinchState._updateRealSizeOverlay
io.flutter.plugins.firebase.crashlytics.FlutterError - Null check operator used on a null value
package:pdfx/src/viewer/pinch/pdf_view_pinch.dart:472