Fixes #37623 - Use html format in react controller to allow for ics d…

…omains

When having a domain with a .ics extension we get a
ActionView::MissingTemplate: Missing template react/index error. This
forces the react controller to use the HTML format. With this change the
host is able to be loaded in the UI.

app/controllers/react_controller.rb

@@ -4,6 +4,6 @@ class ReactController < ApplicationController
 
   def index
     response.headers['X-Request-Path'] = request.path
-    render 'react/index'
+    render("react/index", formats: [:html])
   end
 end

test/integration/host_test.rb

@@ -72,5 +72,11 @@ class HostIntegrationTest < ActionDispatch::IntegrationTest
       visit clone_host_path(host)
       assert page.has_no_checked_field?('host_build')
     end
+
+    test "host with .ics extension" do
+      domain = FactoryBot.create(:domain, name: 'example.ics')
+      host = FactoryBot.create(:host, domain: domain)
+      visit host_details_page_path(host)
+    end
   end
 end