chore: Reorganize the installation config settings (#8794)

- Reorganizing installation config settings to move more configurations into UI from environment variables
- Changes to installation config to support premium plans in the enterprise edition
- Fixes the broken premium indicator in account/show and accounts/edit page

spec/jobs/internal/check_new_versions_job_spec.rb

@@ -4,7 +4,7 @@ RSpec.describe Internal::CheckNewVersionsJob do
   subject(:job) { described_class.perform_now }
 
   it 'updates the latest chatwoot version in redis' do
-    data = { 'version' => '1.2.3' }.to_json
+    data = { 'version' => '1.2.3' }
     allow(Rails.env).to receive(:production?).and_return(true)
     allow(ChatwootHub).to receive(:sync_with_hub).and_return(data)
     job