Fixed signature SVG

Author: carlosdelest

docs/reference/esql/functions/signature/match_operator.svg

@@ -869,7 +869,7 @@ public static void renderDocs() throws IOException {
             return;
         }
         String name = functionName();
-        if (binaryOperator(name) != null || unaryOperator(name) != null || likeOrInOperator(name)) {
+        if (binaryOperator(name) != null || unaryOperator(name) != null || searchOperator(name) != null || likeOrInOperator(name)) {
             renderDocsForOperators(name);
             return;
         }