update get-inference docs to use elasticsearch service

Author: Max Hniebergall

docs/reference/inference/get-inference.asciidoc

@@ -75,15 +75,20 @@ The API returns the following response:
 
 [source,console-result]
 ------------------------------------------------------------
-{
-  "inference_id": "my-elser-model",
-  "task_type": "sparse_embedding",
-  "service": "elser",
-  "service_settings": {
-    "num_allocations": 1,
-    "num_threads": 1
-  },
-  "task_settings": {}
-}
+    {
+      "inference_id": "my-elser-model",
+      "task_type": "sparse_embedding",
+      "service": "elasticsearch",
+      "service_settings": {
+        "num_allocations": 1,
+        "num_threads": 1,
+        "model_id": ".elser_model_2"
+      },
+      "chunking_settings": {
+        "strategy": "sentence",
+        "max_chunk_size": 250,
+        "sentence_overlap": 1
+      }
+    }
 ------------------------------------------------------------
 // NOTCONSOLE