Merge branch 'WJC' into wxr7

wxr

2021-08-20 46a5de6e9871c5c52ba4195576c1c2a4725abb08

 HDL-ON_iOS/Scan.cs

@@ -35,7 +35,6 @@
                var bOn = false;
                mZXingOverlayView.OnCancel += () =>
                {

                    scanner?.Cancel();
                };