Update server/src/main/java/org/elasticsearch/cluster/metadata/IndexNameExpressionResolver.java

Co-authored-by: Mary Gouseti <[email protected]>

Author: jbaiera

server/src/main/java/org/elasticsearch/cluster/metadata/IndexNameExpressionResolver.java

@@ -621,12 +621,7 @@ private static void resolveWriteIndexForDataStreams(
 
     private static boolean shouldIncludeRegularIndices(IndicesOptions indicesOptions, IndexComponentSelector expressionSelector) {
         if (indicesOptions.allowSelectors()) {
-            if (expressionSelector != null) {
-                return expressionSelector.shouldIncludeData();
-            } else {
-                // Defaults to regular indices
-                return true;
-            }
+            return expressionSelector == null || expressionSelector.shouldIncludeData();
         }
         return true;
     }