Messenger Chatbot: Without putting text when click on home or back button it sets the attachment: undefined

[Faizan20]

Describe the bug I have created a new block under a parent component Welcome and without typing any text when i click on the home or back button option it throws a sentry error as well as it sets the attachement: undefined.

To Reproduce Steps to reproduce the behavior:

1. On welcome block screen of the bot
2. create a new child block
3. click on home or back.
4. see Error

Expected behavior It should not give any error and craches the UI Front End or Backend End issue? BackEnd How was the issue found the automated test or manual test? Manual

When was this issues last working? New Issue

Screenshots

Paper Trail logs None Browser logs

Sentry Links and Screenshots Put sentry links and screenshots here https://sentry.io/organizations/cloudkibo/issues/1883792305/?referrer=slack

Desktop (please complete the following information):

• Browser [e.g. chrome, safari]

Additional context Add any other context about the problem here.

[Faizan20]

This use case is never tested before there was no use case of it in the test plan also i have added it in the test plan now.

https://docs.google.com/spreadsheets/d/1lJ-dZOSxjuLS7MJJBFrWcZkkjVvpIGWV3MwWss0UT5E/edit#gid=1508891791 Row: 1548

[arveenkumar55]

@AnishaChhatwani please test on staging

[AnishaChhatwani]

Working fine on staging

[arveenkumar55]

@AnishaChhatwani please test on porduction

[AnishaChhatwani]

Working fine on production