8278604: SwingSet2 table demo does not have accessible description set for images

8278526: [macos] Screen reader reads SwingSet2 JTable row selection as null, dimmed row for last column

Reviewed-by: ant, kizune
Backport-of: 8fbe1724e0f783132a65c45503addad9d98a329e

Author: savoptik

src/demo/share/jfc/SwingSet2/TableDemo.java

@@ -741,4 +741,13 @@ void updateDragEnabled(boolean dragEnabled) {
         footerTextField.setDragEnabled(dragEnabled);
     }
 
+    @Override
+    public ImageIcon createImageIcon(String filename, String description) {
+        ImageIcon imageIcon = super.createImageIcon(filename, description);
+        AccessibleContext context = imageIcon.getAccessibleContext();
+        if (context!= null) {
+            context.setAccessibleName(description);
+        }
+        return imageIcon;
+    }
 }