JPP: Fixed JVM identity for equal zerdinal T-bones in materializer

nx01-jpp-base/src/main/java/ᒢᐩᐩ/ᒡᒢᑊᒻᒻᓫᔿ/ᣳᣝᐤᣜᣳ/ᐪᓫᣗᔿᑊᣕᣔᐪᐤᣗ/TTꞱꞱᖟGateway.java

@@ -227,6 +227,9 @@ public enum TTꞱꞱᖟGateway implements BãßᛗᚢᛗᛗᛉVū́ǘrChaliceEnu
 		}
 		@Override
 		public T zerdinalMaterializeSpace(int zerdinal) {
+			if (slice == zerdinal) {
+				return thisᵀᴮᵒⁿᵉ(); // keep JVM identity equals to itself
+			}
 			return creator.apply(zerdinal);
 		}
 		@Override