Restrict the popover on both sides.
This is the default anchor for ViraPopoverTrigger.
The left side of the popover will be anchored to the left side of the trigger, allowing the popover to grow on the right side of the trigger.
The Right side of the popover will be anchored to the right side of the trigger, allowing the popover to grow on the left side of the trigger.
Anchor options for popovers.