honour definition search from API when getting the hits

fixes #3748

Author: Vladimir Kotal

opengrok-indexer/src/main/java/org/opengrok/indexer/search/SearchEngine.java

@@ -473,7 +473,7 @@ public void results(int start, int end, List<Hit> ret) {
                                 new InputStreamReader(new FileInputStream(
                                 source + filename), StandardCharsets.UTF_8),
                                 null, null, null, filename, tags, nhits > 100,
-                                false, ret, scopes);
+                                getDefinition() != null, ret, scopes);
                         } else if (AbstractAnalyzer.Genre.XREFABLE == genre && data != null && summarizer != null) {
                             int l;
                             /**