Feature Request: Sell Product Catalogue Multi-pick

Feature Request Summary: 

Zendesk Sell Product Catalogue should have the ability to select multiple items in one go. Currently you can only select an individual item per search.

Description/Use Cases: 

Our Sell Deals usually comprise of multiple product line items; base product and options. Being able to search on a key term and select all line items in one go would improve their user experience.

Business impact of limitation or missing feature:

This is critical to our business as it will improve adoption of Product Catalogue use. Whilst the current UX works, it is slow due to the need to search for each line item individually. 

Other necessary information or resources:

A mock up of what this could look like is as follows: