fix: Rename sign_out method to avoid Devise conflict

- Rename sign_out method to sign_out_error_page in sessions controller
- Update route to use new method name

Author: Gabe-Torres

app/controllers/users/sessions_controller.rb

@@ -22,7 +22,7 @@ def create
   end
 
   # GET /resource/sign_out
-  def sign_out
+  def sign_out_error_page
     sign_out(current_user) if user_signed_in?
     redirect_to root_path, notice: "Signed out successfully"
   end

config/routes.rb

@@ -15,7 +15,7 @@ def set_up_flipper
   }
 
   devise_scope :user do
-    get 'users/sign_out', to: 'users/sessions#sign_out', as: :user_sign_out
+    get 'users/sign_out', to: 'users/sessions#sign_out_error_page', as: :user_sign_out
   end
 
   #