[FEEDS-0]chore: include deleted reactions in getreactions

src/main/java/io/getstream/client/ReactionsClient.java

@@ -36,8 +36,13 @@ public CompletableFuture<Reaction> get(String id) throws StreamException {
 
   public CompletableFuture<ReactionBatch> getBatch(List<String> ids) throws StreamException {
       final Token token = buildReactionsToken(secret, TokenAction.READ);
-      return reactions.getBatchReactions(token, ids);
+      return reactions.getBatchReactions(token, ids, false);
     }
+
+  public CompletableFuture<ReactionBatch> getBatch(List<String> ids, Boolean includeDeleted) throws StreamException {
+    final Token token = buildReactionsToken(secret, TokenAction.READ);
+    return reactions.getBatchReactions(token, ids, includeDeleted);
+  }
 
   public CompletableFuture<List<Reaction>> filter(LookupKind lookup, String id)
       throws StreamException {

src/main/java/io/getstream/core/StreamReactions.java

@@ -344,18 +344,23 @@ public CompletableFuture<Void> restore(Token token, String id) throws StreamExce
     }
   }
 
-  public CompletableFuture<ReactionBatch> getBatchReactions(Token token, List<String> ids) throws StreamException {
+  public CompletableFuture<ReactionBatch> getBatchReactions(Token token, List<String> ids, Boolean includeDeleted) throws StreamException {
     checkNotNull(ids, "Reaction IDs can't be null");
     checkArgument(!ids.isEmpty(), "Reaction IDs can't be empty");
 
     try {
       final URL url = buildGetReactionsBatchURL(baseURL);
       RequestOption optionIds =
               new CustomQueryParameter(
-                      "ids", String.join(",", ids));
+                      "ids", String.join(",", ids)
+              );
+      RequestOption includeDeletedOption =
+              new CustomQueryParameter(
+                      "include_deleted", includeDeleted.toString()
+              );
 
       return httpClient
-              .execute(buildGet(url, key, token, optionIds))
+              .execute(buildGet(url, key, token, optionIds, includeDeletedOption))
               .thenApply(
                       response -> {
                         try {

src/test/java/io/getstream/client/ReactionsClientTest.java

@@ -116,6 +116,17 @@ public void batchFetchReactions() throws Exception {
       assertEquals(req.getActivityID(), r.getActivityID());
       assertEquals(req.getKind(), r.getKind());
     }
+
+    client.reactions().delete(r1.getId()).join();
+    response = client.reactions().getBatch(List.of(r1.getId(), r2.getId(), r3.getId(), r4.getId(), r5.getId(), r6.getId()), true).join();
+    result = response.getReactions();
+    //Deleted reaction should be present in the response
+    assertEquals(6, resultMap.size());
+    for (Reaction r : result) {
+      Reaction req = reactionsRequest.get(r.getId());
+      assertEquals(req.getActivityID(), r.getActivityID());
+      assertEquals(req.getKind(), r.getKind());
+    }
   }
 
   @Test