using ad-hoc chase for explanations

integraal/integraal-explanation/src/main/java/fr/boreal/explanation/tracker_gri/explainers/AbstractStaticGRIBasedExplainer_TrackerGRI.java

@@ -44,7 +44,7 @@ public abstract class AbstractStaticGRIBasedExplainer_TrackerGRI<ExplanationType
      */
     public AbstractStaticGRIBasedExplainer_TrackerGRI(KnowledgeBase kb) {
         this.inputKB = kb;
-        this.griKBChase = DefaultChaseForExplanations.chase(inputKB);
+        this.griKBChase = DefaultChaseForExplanations.chaseForTracker(inputKB);
         this.griTracker = griKBChase.getTracker();
     }