Improve PhotoGrid screen reader accessibility

Co-authored-by: ralksta <16941050+ralksta@users.noreply.github.com>

app/[...path]/PhotoGrid.tsx

@@ -155,6 +155,7 @@ export function PhotoGrid({ assets, layout = 'masonry', gridStyle }: PhotoGridPr
           role="button"
           tabIndex={0}
           aria-label={`View photo ${index + 1}`}
+          aria-haspopup="dialog"
           style={{
             ...(asset.dominantColor ? { backgroundColor: asset.dominantColor } : {}),
             ...((layout === 'masonry' || layout === 'showcase') && asset.aspectRatio
@@ -173,7 +174,7 @@ export function PhotoGrid({ assets, layout = 'masonry', gridStyle }: PhotoGridPr
               : {})}
           />
           {(asset.camera || asset.lens) && (
-            <div className="photo-grid__item-exif">
+            <div className="photo-grid__item-exif" aria-hidden="true">
               {[asset.camera, asset.lens, asset.focalLength].filter(Boolean).join(' · ')}
             </div>
           )}