chore: Support telegram edited_message events (#6785)

- Add support for telegram edited_message events: Update the user message back in the Chatwoot dashboard when updated by the contact on telegram

spec/services/telegram/update_message_service_spec.rb

@@ -0,0 +1,50 @@
+require 'rails_helper'
+
+describe Telegram::UpdateMessageService do
+  let!(:telegram_channel) { create(:channel_telegram) }
+  let!(:update_params) do
+    {
+      'update_id': 2_323_484,
+      'edited_message': {
+        'message_id': 48,
+        'from': {
+          'id': 512_313_123_171_248,
+          'is_bot': false,
+          'first_name': 'Sojan',
+          'last_name': 'Jose',
+          'username': 'sojan'
+        },
+        'chat': {
+          'id': 517_123_213_211_248,
+          'first_name': 'Sojan',
+          'last_name': 'Jose',
+          'username': 'sojan',
+          'type': 'private'
+        },
+        'date': 1_680_088_034,
+        'edit_date': 1_680_088_056,
+        'text': 'updated message'
+      }
+    }
+  end
+
+  describe '#perform' do
+    context 'when valid update message params' do
+      it 'updates the appropriate message' do
+        contact_inbox = create(:contact_inbox, inbox: telegram_channel.inbox, source_id: update_params[:edited_message][:chat][:id])
+        conversation = create(:conversation, contact_inbox: contact_inbox)
+        message = create(:message, conversation: conversation, source_id: update_params[:edited_message][:message_id])
+        described_class.new(inbox: telegram_channel.inbox, params: update_params.with_indifferent_access).perform
+        expect(message.reload.content).to eq('updated message')
+      end
+    end
+
+    context 'when invalid update message params' do
+      it 'will not raise errors' do
+        expect do
+          described_class.new(inbox: telegram_channel.inbox, params: {}).perform
+        end.not_to raise_error
+      end
+    end
+  end
+end