add a field to invoice graphql object (#2697)

## Context

To help FE to show the correct reason of disabling button to create
credit note, we need to show them when a credit invoice is not
associated with an active wallet

## Description

added associated_active_wallet_present field to invoice graphql object

app/graphql/types/invoices/object.rb

@@ -42,6 +42,8 @@ class Object < Types::BaseObject
       field :created_at, GraphQL::Types::ISO8601DateTime, null: false
       field :updated_at, GraphQL::Types::ISO8601DateTime, null: false
 
+      field :associated_active_wallet_present, Boolean, null: false
+      field :available_to_credit_amount_cents, GraphQL::Types::BigInt, null: false
       field :creditable_amount_cents, GraphQL::Types::BigInt, null: false
       field :refundable_amount_cents, GraphQL::Types::BigInt, null: false
 
@@ -86,6 +88,10 @@ def external_integration_id
           resource_type: :invoice
         )&.external_id
       end
+
+      def associated_active_wallet_present
+        object.associated_active_wallet.present?
+      end
     end
   end
 end