Merge branch 'ft-search-with-not-modifier' of github.com:hapifhir/hapi-fhir into ft-search-with-not-modifier

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/builder/predicate/ResourceLinkPredicateBuilder.java

@@ -387,7 +387,7 @@ public class ResourceLinkPredicateBuilder extends BaseJoiningPredicateBuilder {
 				}
 
 				// For the token param, if it's a :not modifier, need switch OR to AND
-				if (!paramInverted) {
+				if (!paramInverted && chainValue instanceof TokenParam) {
 					if (((TokenParam) chainValue).getModifier() == TokenParamModifier.NOT) {
 						paramInverted = true;
 					}