DEV: Move more service code to core (#26613)

This is to enable :array type attributes for Contract
attributes in services, this is a followup to the move
of services from chat to core here:

cab178a40557e205e9c3e75fcb411a5e0e164d15

Co-authored-by: Joffrey JAFFEUX <j.jaffeux@gmail.com>

plugins/chat/spec/lib/chat/types/array_spec.rb

@@ -1,49 +0,0 @@
-# frozen_string_literal: true
-
-RSpec.describe Chat::Types::Array do
-  subject(:type) { described_class.new }
-
-  describe "#cast" do
-    subject(:casted_value) { type.cast(value) }
-
-    context "when 'value' is a string" do
-      let(:value) { "first,second,third" }
-
-      it "splits it" do
-        expect(casted_value).to eq(%w[first second third])
-      end
-    end
-
-    context "when 'value' is an array" do
-      let(:value) { %w[existing array] }
-
-      it "returns it" do
-        expect(casted_value).to eq(value)
-      end
-    end
-
-    context "when 'value' is an array of numbers as string" do
-      let(:value) { %w[1 2] }
-
-      it "returns it with string casted as integer" do
-        expect(casted_value).to eq([1, 2])
-      end
-    end
-
-    context "when 'value' is an array of numbers" do
-      let(:value) { [1, 2] }
-
-      it "returns it" do
-        expect(casted_value).to eq([1, 2])
-      end
-    end
-
-    context "when 'value' is something else" do
-      let(:value) { Time.current }
-
-      it "wraps it in a new array" do
-        expect(casted_value).to eq([value])
-      end
-    end
-  end
-end