feat: add org id to about page and update tests

app/models/organisation.rb

@@ -105,6 +105,7 @@ class Organisation < ApplicationRecord
   def display_organisation_attributes
     attrs = [
       { name: "Name", value: name, editable: true },
+      { name: "Organisation ID", value: "ORG#{id}", editable: false },
       { name: "Address", value: address_string, editable: true },
       { name: "Telephone_number", value: phone, editable: true },
       { name: "Type of provider", value: display_provider_type, editable: false },

spec/models/organisation_spec.rb

@@ -242,6 +242,7 @@ RSpec.describe Organisation, type: :model do
       it "does not include data protection agreement" do
         expect(organisation.display_organisation_attributes).to eq(
           [{ editable: true, name: "Name", value: "DLUHC" },
+           { name: "Organisation ID", value: "ORG#{organisation.id}", editable: false },
            { editable: true,
              name: "Address",
              value: "2 Marsham Street\nLondon\nSW1P 4DF" },
@@ -262,6 +263,7 @@ RSpec.describe Organisation, type: :model do
       it "includes data protection agreement" do
         expect(organisation.display_organisation_attributes).to eq(
           [{ editable: true, name: "Name", value: "DLUHC" },
+           { editable: false, name: "Organisation ID", value: "ORG#{organisation.id}"},
            { editable: true,
              name: "Address",
              value: "2 Marsham Street\nLondon\nSW1P 4DF" },