Display Categories only on Chat Launch Page

Summary: we would like to remove products and display Categories only on Chat Launch Page

Content (required):when launching the chat form, we want the user to select a category for the reason they are contacting us via chat.

Version (include the version you are using, if applicable):

21A

Code Snippet (add any code snippets that support your topic, if applicable):

<rn:widget path="input/ProductCategoryInput" table="incidents" data_type="categories" required_lvl="1"  label_input="Reason for Chat" />