Fix UT errors

Author: julian-elastic

benchmarks/src/main/java/org/elasticsearch/benchmark/_nightly/esql/QueryPlanningBenchmark.java

@@ -87,7 +87,8 @@ public void setup() {
             false,
             Map.of(),
             System.nanoTime(),
-            false
+            false,
+            true
         );
 
         var fields = 10_000;

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/scalar/string/regex/WildcardLike.java

@@ -126,12 +126,7 @@ public Query asQuery(LucenePushdownPredicates pushdownPredicates, TranslatorHand
 
     // TODO: see whether escaping is needed
     private Query translateField(String targetFieldName) {
-        return new WildcardQuery(
-            source(),
-            targetFieldName,
-            pattern().asLuceneWildcard(),
-            caseInsensitive(),
-            configuration.stringLikeOnIndex()
-        );
+        boolean forceStringMatch = configuration != null && configuration.stringLikeOnIndex();
+        return new WildcardQuery(source(), targetFieldName, pattern().asLuceneWildcard(), caseInsensitive(), forceStringMatch);
     }
 }