Tag being set does not match tag in DicomElement

在处理Dicom 文件时，经常需要构建DicomSequenceItem ，此时要保证DicomElementSq的对象和DicomSequenceItem 一致，否则会在运行时发生异常

// 遇到的异常写法
	var wedgesSq = new DicomElementSq(DicomTags.WedgeSequence);
    sequenceItem[DicomTags.RecordedWedgeSequence] = wedgesSq;

使用上述写法时，编译正常，运行时会报错，提示
Tag being set does not match tag in DicomElement

// 修改后的写法
   var wedgesSq = new DicomElementSq(DicomTags.RecordedWedgeSequence);
   sequenceItem[DicomTags.RecordedWedgeSequence] = wedgesSq;