FIX: Skip whisper posts when updating topic like count (#10157)

spec/models/topic_spec.rb

@@ -2634,4 +2634,26 @@ describe Topic do
       expect(@topic.auto_close_threshold_reached?).to eq(true)
     end
   end
+
+  describe '#update_action_counts' do
+    let(:topic) { Fabricate(:topic) }
+
+    it 'updates like count without including whisper posts' do
+      post = Fabricate(:post, topic: topic)
+      whisper_post = Fabricate(:post, topic: topic, post_type: Post.types[:whisper])
+
+      topic.update_action_counts
+      expect(topic.like_count).to eq(0)
+
+      PostAction.create!(post: post, user: user, post_action_type_id: PostActionType.types[:like])
+
+      topic.update_action_counts
+      expect(topic.like_count).to eq(1)
+
+      PostAction.create!(post: whisper_post, user: user, post_action_type_id: PostActionType.types[:like])
+
+      topic.update_action_counts
+      expect(topic.like_count).to eq(1)
+    end
+  end
 end