fix(colors): Replaces legacy colors with ui-next colors (#5351)

* Update playwright screenshots and fix broken tests.

---------

Co-authored-by: Joe Boccanfuso <joe.boccanfuso@radicalimaging.com>

extensions/dicom-pdf/src/viewports/OHIFCornerstonePdfViewport.tsx

@@ -44,11 +44,13 @@ function OHIFCornerstonePdfViewport({ displaySets, viewportId = 'pdf-viewport' }
 
   return (
     <div
-      className="bg-primary-black h-full w-full text-white"
+      className="bg-primary-black text-foreground h-full w-full"
       onClick={makePdfScrollable}
       ref={el => {
         viewportElementRef.current = el;
-        if (el) viewportRef.register(el);
+        if (el) {
+          viewportRef.register(el);
+        }
       }}
       data-viewport-id={viewportId}
     >