feat: handle Channel errors (#11015)

This PR adds missing error handlers for the following channels and cases

1. WhatsApp - Generic Handlers for both Cloud and 360Dialog (Deprecated)
2. Instagram - Handler for a case where there is an HTTP error instead
of an `:error` in the 200 response
3. Facebook - Errors from the two sentry issues
([Net::OpenTimeout](https://chatwoot-p3.sentry.io/issues/6164805227) &
[JSON::ParserError](https://chatwoot-p3.sentry.io/issues/5903200786))
4. SMS: Generic handlers for Bandwidth SMS

#### Checklist

- [x] Bandwidth SMS
- [x] Whatsapp Cloud + 360 Dialog
- [x] Twilio SMS
- [x] Line
- [x] Telegram
- [x] Instagram
- [x] Facebook
- [x] GMail
- [x] 365 Mail
- [x] SMTP Mail

---------

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

spec/services/facebook/send_on_facebook_service_spec.rb

@@ -117,5 +117,54 @@ describe Facebook::SendOnFacebookService do
         expect(message.reload.status).to eq('failed')
       end
     end
+
+    context 'when deliver_message fails' do
+      let(:message) { create(:message, message_type: 'outgoing', inbox: facebook_inbox, account: account, conversation: conversation) }
+
+      it 'handles JSON parse errors' do
+        allow(bot).to receive(:deliver).and_return('invalid_json')
+        described_class.new(message: message).perform
+
+        expect(message.reload.status).to eq('failed')
+        expect(message.external_error).to eq('Facebook was unable to process this request')
+      end
+
+      it 'handles timeout errors' do
+        allow(bot).to receive(:deliver).and_raise(Net::OpenTimeout)
+        described_class.new(message: message).perform
+
+        expect(message.reload.status).to eq('failed')
+        expect(message.external_error).to eq('Request timed out, please try again later')
+      end
+
+      it 'handles facebook error with code' do
+        error_response = {
+          error: {
+            message: 'Invalid OAuth access token.',
+            type: 'OAuthException',
+            code: 190,
+            fbtrace_id: 'BLBz/WZt8dN'
+          }
+        }.to_json
+        allow(bot).to receive(:deliver).and_return(error_response)
+
+        described_class.new(message: message).perform
+
+        expect(message.reload.status).to eq('failed')
+        expect(message.external_error).to eq('190 - Invalid OAuth access token.')
+      end
+
+      it 'handles successful delivery with message_id' do
+        success_response = {
+          message_id: 'mid.1456970487936:c34767dfe57ee6e339'
+        }.to_json
+        allow(bot).to receive(:deliver).and_return(success_response)
+
+        described_class.new(message: message).perform
+
+        expect(message.reload.source_id).to eq('mid.1456970487936:c34767dfe57ee6e339')
+        expect(message.status).not_to eq('failed')
+      end
+    end
   end
 end