Photoshop 27.5 on Mac: Missing Anchor Arrows in Canvas Size Dialog — How to Restore?

In Photoshop 27.5 on a Mac running 26.2 when I attempt to add canvas to a photo the dialog box contains an anchor box. This anchor no longer has the arrows in all of the boxes except the center which does contain a dot. How can I get the arrows back?

The anchor box used to add canvas to a photo is missing the arrows. How do I get them back