FIX: Do not enable published page if secure media enabled (#11131)

There are issues around displaying images on published pages when secure media is enabled. This PR temporarily makes it appear as if published pages are enabled if secure media is also enabled.

spec/requests/published_pages_controller_spec.rb

@@ -93,6 +93,18 @@ RSpec.describe PublishedPagesController do
           published_page.topic.tags = [Fabricate(:tag, name: "recipes")]
         end
 
+        context "when secure media is enabled" do
+          before do
+            setup_s3
+            SiteSetting.secure_media = true
+          end
+
+          it "returns 404" do
+            get published_page.path
+            expect(response.status).to eq(404)
+          end
+        end
+
         it "returns 200" do
           get published_page.path
           expect(response.status).to eq(200)