Compression/Decompression of images with attributes after (7FE0,0010) Pixel Data fails with IncompatibleSpecificCharacterSetException

[gunterze]

Compression/Decompression of images with attributes after (7FE0,0010) Pixel Data fails with IncompatibleSpecificCharacterSetException:

Failed to transcode /tmp/JPLL: Specific Character Sets [] and [ISO_IR 100] not compatible
org.dcm4che3.data.IncompatibleSpecificCharacterSetException: Specific Character Sets [] and [ISO_IR 100] not compatible
	at org.dcm4che3.data.Attributes.addSelected(Attributes.java:2224)
	at org.dcm4che3.imageio.codec.Transcoder$1.readValue(Transcoder.java:421)
	at org.dcm4che3.io.DicomInputStream.readAttributes(DicomInputStream.java:545)
	at org.dcm4che3.imageio.codec.Transcoder.transcode(Transcoder.java:390)

Introduced by #808