FIX: exclude topics from latest in /categories on refresh

When you hit refresh on categories page it would not supress correctly

spec/requests/categories_controller_spec.rb

@@ -1,24 +1,42 @@
 require 'rails_helper'
 
-describe GroupsController do
-  let(:admin) { Fabricate(:admin) }
-  let(:category) { Fabricate(:category, user: admin) }
+describe CategoriesController do
 
-  before do
-    category
-    sign_in(admin)
+  context 'index' do
+
+    it 'suppresses categories correctly' do
+      post = create_post(title: 'super AMAZING AMAZING post')
+
+      get "/categories"
+      expect(response.body).to include('AMAZING AMAZING')
+
+      post.topic.category.update_columns(suppress_from_latest: true)
+
+      get "/categories"
+      expect(response.body).not_to include('AMAZING AMAZING')
+    end
   end
 
-  it "triggers a extensibility event" do
-    event = DiscourseEvent.track_events {
-      put "/categories/#{category.id}.json", params: {
-        name: 'hello',
-        color: 'ff0',
-        text_color: 'fff'
-      }
-    }.last
+  context 'extensibility event' do
+    let(:admin) { Fabricate(:admin) }
+    let(:category) { Fabricate(:category, user: admin) }
 
-    expect(event[:event_name]).to eq(:category_updated)
-    expect(event[:params].first).to eq(category)
+    before do
+      category
+      sign_in(admin)
+    end
+
+    it "triggers a extensibility event" do
+      event = DiscourseEvent.track_events {
+        put "/categories/#{category.id}.json", params: {
+          name: 'hello',
+          color: 'ff0',
+          text_color: 'fff'
+        }
+      }.last
+
+      expect(event[:event_name]).to eq(:category_updated)
+      expect(event[:params].first).to eq(category)
+    end
   end
 end