Add Highlight_ to search capability name

Author: svilen-mihaylov-elastic

rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/search.highlight/30_max_analyzed_offset.yml

@@ -150,7 +150,7 @@ setup:
       capabilities:
         - method: GET
           path: /_search
-          capabilities: [ max_analyzed_offset_default ]
+          capabilities: [ highlight_max_analyzed_offset_default ]
       reason: Behavior of max_analyzed_offset query param changed in 8.18.
 
   - do:
@@ -168,7 +168,7 @@ setup:
       capabilities:
         - method: GET
           path: /_search
-          capabilities: [ max_analyzed_offset_default ]
+          capabilities: [ highlight_max_analyzed_offset_default ]
       reason: Behavior of max_analyzed_offset query param changed in 8.18.
 
   - do:

server/src/main/java/org/elasticsearch/rest/action/search/SearchCapabilities.java

@@ -49,7 +49,7 @@ private SearchCapabilities() {}
     private static final String OPTIMIZED_SCALAR_QUANTIZATION_BBQ = "optimized_scalar_quantization_bbq";
     private static final String KNN_QUANTIZED_VECTOR_RESCORE = "knn_quantized_vector_rescore";
 
-    private static final String MAX_ANALYZED_OFFSET_DEFAULT = "max_analyzed_offset_default";
+    private static final String HIGHLIGHT_MAX_ANALYZED_OFFSET_DEFAULT = "highlight_max_analyzed_offset_default";
 
     public static final Set<String> CAPABILITIES;
     static {
@@ -72,7 +72,7 @@ private SearchCapabilities() {}
         if (Build.current().isSnapshot()) {
             capabilities.add(KQL_QUERY_SUPPORTED);
         }
-        capabilities.add(MAX_ANALYZED_OFFSET_DEFAULT);
+        capabilities.add(HIGHLIGHT_MAX_ANALYZED_OFFSET_DEFAULT);
         CAPABILITIES = Set.copyOf(capabilities);
     }
 }