TDC sorting error during decoding

[baltzell]

Seeing this on old data, run 4013 ...

java.lang.IllegalArgumentException: Comparison method violates its general contract!
	at java.base/java.util.TimSort.mergeLo(TimSort.java:781)
	at java.base/java.util.TimSort.mergeAt(TimSort.java:518)
	at java.base/java.util.TimSort.mergeCollapse(TimSort.java:448)
	at java.base/java.util.TimSort.sort(TimSort.java:245)
	at java.base/java.util.Arrays.sort(Arrays.java:1308)
	at java.base/java.util.ArrayList.sort(ArrayList.java:1804)
	at org.jlab.detector.decode.DetectorEventDecoder.filterTDCs(DetectorEventDecoder.java:238)
	at org.jlab.detector.decode.CLASDecoder4.initEvent(CLASDecoder4.java:142)
	at org.jlab.detector.decode.CLASDecoder4.getDataEvent(CLASDecoder4.java:470)
	at org.jlab.detector.decode.CLASDecoder4.getDecodedEvent(CLASDecoder4.java:444)
	at org.jlab.detector.decode.CLASDecoder4.main(CLASDecoder4.java:899)

Looks like it should mean multiple hits on the same channel with the same TDC value in the same event (and an incomplete comparator).