Only Show Submission Form on Conversation View
The purpose of this tutorial is to suppress the message form on the table view and only show it on the single conversation view for replies. This is also a great example of how to customize any Help Scout Desk templates.
Lucky for you the template has already been created:
View the raw file, bottom right link. Copy the html and save it as a new file called conversation_form.php
Place it in your (child) theme directory at
Example path shown below.