feat: move Azure config to installation_config (#9481)

This PR has the following changes

1. Add `AZURE_APP_ID` and `AZURE_APP_SECRET` to installation config
2. Add Microsoft config to `super_admin/features.yml`
3. Replace usage of `ENV.fetch` with `GlobalConfigService.load` for
fetch App ID and Secret

app/controllers/dashboard_controller.rb

@@ -58,7 +58,7 @@ class DashboardController < ActionController::Base
       FB_APP_ID: GlobalConfigService.load('FB_APP_ID', ''),
       FACEBOOK_API_VERSION: GlobalConfigService.load('FACEBOOK_API_VERSION', 'v17.0'),
       IS_ENTERPRISE: ChatwootApp.enterprise?,
-      AZURE_APP_ID: ENV.fetch('AZURE_APP_ID', ''),
+      AZURE_APP_ID: GlobalConfigService.load('AZURE_APP_ID', ''),
       GIT_SHA: GIT_HASH
     }
   end