Enable Unicode support in QRegularExpression where needed
This fixes a QRegExp to QRegularExpression porting bug; QRegExp is always Unicode-aware whereas with QRegularExpression the UseUnicodePropertiesOption options needs to be set.
This fixes a QRegExp to QRegularExpression porting bug; QRegExp is always Unicode-aware whereas with QRegularExpression the UseUnicodePropertiesOption options needs to be set.