chore: Move Whatsapp template sync to cron (#4858)

syncing WhatsApp templates job is moved to a cron job for a better user experience. The Templates are synced at 15-minute intervals now.

spec/services/whatsapp/incoming_message_service_spec.rb

@@ -6,7 +6,7 @@ describe Whatsapp::IncomingMessageService do
       stub_request(:post, 'https://waba.360dialog.io/v1/configs/webhook')
     end
 
-    let!(:whatsapp_channel) { create(:channel_whatsapp) }
+    let!(:whatsapp_channel) { create(:channel_whatsapp, sync_templates: false) }
 
     context 'when valid text message params' do
       it 'creates appropriate conversations, message and contacts' do

spec/services/whatsapp/send_on_whatsapp_service_spec.rb

@@ -15,7 +15,7 @@ describe Whatsapp::SendOnWhatsappService do
 
     context 'when a valid message' do
       let(:whatsapp_request) { double }
-      let!(:whatsapp_channel) { create(:channel_whatsapp) }
+      let!(:whatsapp_channel) { create(:channel_whatsapp, sync_templates: false) }
       let!(:contact_inbox) { create(:contact_inbox, inbox: whatsapp_channel.inbox, source_id: '123456789') }
       let!(:conversation) { create(:conversation, contact_inbox: contact_inbox, inbox: whatsapp_channel.inbox) }