Always use the same backend for Clipboard
Always use the same backend for Clipboard

Without this, Clipboard.ContainsData can return different
results depending on which backend it is invoked with.

hamekoz/xwt,mono/xwt,antmicro/xwt,cra0zy/xwt,hwthomas/xwt,lytico/xwt,TheBrainTech/xwt