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/lib/site_settings/validations_spec.rb

@@ -205,6 +205,25 @@ describe SiteSettings::Validations do
       end
     end
 
+    describe "#validate_enable_page_publishing" do
+      context "when the new value is true" do
+        it "is ok" do
+          expect { subject.validate_enable_page_publishing("t") }.not_to raise_error
+        end
+
+        context "if secure media is enabled" do
+          let(:error_message) { I18n.t("errors.site_settings.page_publishing_requirements") }
+          before do
+            enable_secure_media
+          end
+
+          it "is not ok" do
+            expect { subject.validate_enable_page_publishing("t") }.to raise_error(Discourse::InvalidParameters, error_message)
+          end
+        end
+      end
+    end
+
     describe "#validate_secure_media" do
       let(:error_message) { I18n.t("errors.site_settings.secure_media_requirements") }