Can you constrain the list of explores available in a dashboard?

We have a number of customers and we’re setting up Looker with one project per customer, and several models per project.  For each customer we might have 10 to 20 explores that we might use.

For us a dashboard is always going to be used by one customer and will map to only one project.  So when you click ‘add tile’ and you have to choose an explore, it is a bit cumbersome to have to scroll through the list of all explores that spans all projects in order to find the ones you want.  Actually, I’m concerned that an analyst might use an explore that belongs to the wrong customer.  It would be an easy mistake to make.

Is it possible to have a dashboard linked to a project, so that it can only use explores from that project?

Thanks