Don't use index() to populate rerank score array

Author: kderusso

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/rank/textsimilarity/TextSimilarityRankFeaturePhaseRankCoordinatorContext.java

@@ -194,8 +194,9 @@ protected InferenceAction.Request generateRequest(List<String> docFeatures) {
 
     float[] extractScoresFromRankedDocs(List<RankedDocsResults.RankedDoc> rankedDocs) {
         float[] scores = new float[rankedDocs.size()];
-        for (RankedDocsResults.RankedDoc rankedDoc : rankedDocs) {
-            scores[rankedDoc.index()] = rankedDoc.relevanceScore();
+        for (int i=0; i<rankedDocs.size(); i++) {
+            RankedDocsResults.RankedDoc rankedDoc = rankedDocs.get(i);
+            scores[i] = normalizeScore(rankedDoc.relevanceScore());
         }
         return scores;
     }