Dashboard: Simple search widget filters: display of AND / OR conditions

Description

Simple search widgets can have one or more filters applied which are ANDed together, and a filter can have one or more rules applied which are ORed together. The words "AND" and "OR" should be displayed to the user.

1. "OR" is currently displayed. It's position should be centred vertically and horizontally between the the cards displaying rules as shown below:

2. "AND" needs to be added to the display, between filters. It's position should be centred vertically and horizontally between the the cards displaying the filters.

Notes
See the Term FIlter Builder tool in licenses for an example of positioning/styling.