chore: apply ruff formatting and fix whitespace issues

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

frontend/templates/onedrive_callback_error.html

@@ -11,7 +11,7 @@
       <h2 class="text-2xl font-bold mt-4">Authorization Failed</h2>
       <p class="text-gray-600 mt-2">Sorry, we couldn't complete the OneDrive authorization.</p>
     </div>
-    
+
     <div class="mb-6">
       <div class="bg-red-50 border-l-4 border-red-400 p-4">
         <div class="flex">
@@ -29,7 +29,7 @@
         </div>
       </div>
     </div>
-    
+
     <div class="mt-6">
       <a href="/onedrive-setup" class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md shadow-sm text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500">
         Return to Setup