chore: Ability to filter conversations with priority (#10967)

- Ability to filter conversation with priority

---------

Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/models/custom_attribute_definition.rb

@@ -22,6 +22,12 @@
 #  index_custom_attribute_definitions_on_account_id  (account_id)
 #
 class CustomAttributeDefinition < ApplicationRecord
+  STANDARD_ATTRIBUTES = {
+    :conversation => %w[status priority assignee_id inbox_id team_id display_id campaign_id labels browser_language country_code referer created_at
+                        last_activity_at],
+    :contact => %w[name email phone_number identifier country_code city created_at last_activity_at referer blocked]
+  }.freeze
+
   scope :with_attribute_model, ->(attribute_model) { attribute_model.presence && where(attribute_model: attribute_model) }
   validates :attribute_display_name, presence: true
 
@@ -31,6 +37,7 @@ class CustomAttributeDefinition < ApplicationRecord
 
   validates :attribute_display_type, presence: true
   validates :attribute_model, presence: true
+  validate :attribute_must_not_conflict, on: :create
 
   enum attribute_model: { conversation_attribute: 0, contact_attribute: 1 }
   enum attribute_display_type: { text: 0, number: 1, currency: 2, percent: 3, link: 4, date: 5, list: 6, checkbox: 7 }
@@ -48,4 +55,11 @@ class CustomAttributeDefinition < ApplicationRecord
   def update_widget_pre_chat_custom_fields
     ::Inboxes::UpdateWidgetPreChatCustomFieldsJob.perform_later(account, self)
   end
+
+  def attribute_must_not_conflict
+    model_keys = attribute_model.to_sym == :conversation_attribute ? :conversation : :contact
+    return unless attribute_key.in?(STANDARD_ATTRIBUTES[model_keys])
+
+    errors.add(:attribute_key, I18n.t('errors.custom_attribute_definition.key_conflict'))
+  end
 end