Fix RuboCop offenses (autocorrected)

Co-authored-by: tuanle03 <66480375+tuanle03@users.noreply.github.com>

Author: Copilot

config/application.rb

@@ -10,7 +10,7 @@ module CodeLearnApi
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
     config.load_defaults 7.0
-    
+
     # Disable freezing of autoload_paths and eager_load_paths for Rails 8.1 compatibility
     # with older gems that try to modify these arrays
     config.autoloader = :zeitwerk

config/boot.rb

@@ -6,7 +6,7 @@
 # Monkey patch Array to prevent freezing errors in Rails 8.1
 # This allows older gems to modify frozen autoload_paths arrays
 class Array
-  alias_method :original_freeze, :freeze
+  alias original_freeze freeze
 
   def freeze
     # Check if this array is being set as autoload_paths or eager_load_paths