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/views/super_admin/application/_icons.html.erb

@@ -1,4 +1,7 @@
 <svg xmlns="http://www.w3.org/2000/svg" style="display: none;">
+  <symbol id="icon-microsoft" viewBox="0 0 24 24">
+    <path fill="currentColor" d="M2 3h9v9H2zm9 19H2v-9h9zM21 3v9h-9V3zm0 19h-9v-9h9z"/>
+  </symbol>
   <symbol id="icon-cancel" viewBox="0 0 48 48">
     <path fill-rule="evenodd" d="M24 19.757l-8.485-8.485c-.784-.783-2.047-.782-2.827 0l-1.417 1.416c-.777.777-.78 2.046.002 2.827L19.757 24l-8.485 8.485c-.783.784-.782 2.047 0 2.827l1.416 1.417c.777.777 2.046.78 2.827-.002L24 28.243l8.485 8.485c.784.783 2.047.782 2.827 0l1.417-1.416c.777-.777.78-2.046-.002-2.827L28.243 24l8.485-8.485c.783-.784.782-2.047 0-2.827l-1.416-1.417c-.777-.777-2.046-.78-2.827.002L24 19.757zM24 47c12.703 0 23-10.297 23-23S36.703 1 24 1 1 11.297 1 24s10.297 23 23 23z" />
   </symbol>