Prepend store's before_destroy callback and throw :abort

Author: chaimann

core/app/models/spree/store.rb

@@ -25,7 +25,7 @@ class Store < Spree::Base
     self.allowed_ransackable_attributes = %w[name url code]
 
     before_save :ensure_default_exists_and_is_unique
-    before_destroy :validate_not_default
+    before_destroy :validate_not_default, prepend: true
 
     enum :reverse_charge_status, {
       disabled: 0,
@@ -73,6 +73,7 @@ def ensure_default_exists_and_is_unique
     def validate_not_default
       if default
         errors.add(:base, :cannot_destroy_default_store)
+        throw :abort
       end
     end
   end